Home / 749,648.05-1,124,134.00-370,420.83

Finding the Fourth Proportional to 749,648.05, 1,124,134.00 and 370,420.83

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Solution

The fourth proportional to 749,648.05, 1,124,134.00 and 370,420.83 is: 555,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,648.05 : 1,124,134.00 = 370,420.83 : x
  2. Step 2: Convert to fraction form
    749,648.05/1,124,134.00 = 370,420.83/x
  3. Step 3: Cross multiply
    749,648.05x = 1,124,134.00 × 370,420.83
  4. Step 4: Simplify right side
    749,648.05x = 416,402,648,385.17
  5. Step 5: Solve for x
    x = 416,402,648,385.17/749,648.05
  6. Step 6: Final answer
    x = 555,464.19

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Double scale
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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.