Home / 749,018.04-1,123,693.56-349,440.84

Finding the Fourth Proportional to 749,018.04, 1,123,693.56 and 349,440.84

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Solution

The fourth proportional to 749,018.04, 1,123,693.56 and 349,440.84 is: 524,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,018.04 : 1,123,693.56 = 349,440.84 : x
  2. Step 2: Convert to fraction form
    749,018.04/1,123,693.56 = 349,440.84/x
  3. Step 3: Cross multiply
    749,018.04x = 1,123,693.56 × 349,440.84
  4. Step 4: Simplify right side
    749,018.04x = 392,664,421,508.99
  5. Step 5: Solve for x
    x = 392,664,421,508.99/749,018.04
  6. Step 6: Final answer
    x = 524,238.94

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Half scale
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Double scale
Find fourth proportional to 749,019.04, 1,123,695.06 and 349,441.84
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.