Home / 909,219.68-1,254,444.72-527,169.76

Finding the Fourth Proportional to 909,219.68, 1,254,444.72 and 527,169.76

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Solution

The fourth proportional to 909,219.68, 1,254,444.72 and 527,169.76 is: 727,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,219.68 : 1,254,444.72 = 527,169.76 : x
  2. Step 2: Convert to fraction form
    909,219.68/1,254,444.72 = 527,169.76/x
  3. Step 3: Cross multiply
    909,219.68x = 1,254,444.72 × 527,169.76
  4. Step 4: Simplify right side
    909,219.68x = 661,305,321,975.67
  5. Step 5: Solve for x
    x = 661,305,321,975.67/909,219.68
  6. Step 6: Final answer
    x = 727,332.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.