Home / 749,365.66-1,124,330.74-450,054.91

Finding the Fourth Proportional to 749,365.66, 1,124,330.74 and 450,054.91

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Solution

The fourth proportional to 749,365.66, 1,124,330.74 and 450,054.91 is: 675,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,365.66 : 1,124,330.74 = 450,054.91 : x
  2. Step 2: Convert to fraction form
    749,365.66/1,124,330.74 = 450,054.91/x
  3. Step 3: Cross multiply
    749,365.66x = 1,124,330.74 × 450,054.91
  4. Step 4: Simplify right side
    749,365.66x = 506,010,572,812.77
  5. Step 5: Solve for x
    x = 506,010,572,812.77/749,365.66
  6. Step 6: Final answer
    x = 675,251.89

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Double scale
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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.