Home / 909,150.48-1,254,607.92-527,212.80

Finding the Fourth Proportional to 909,150.48, 1,254,607.92 and 527,212.80

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Solution

The fourth proportional to 909,150.48, 1,254,607.92 and 527,212.80 is: 727,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,150.48 : 1,254,607.92 = 527,212.80 : x
  2. Step 2: Convert to fraction form
    909,150.48/1,254,607.92 = 527,212.80/x
  3. Step 3: Cross multiply
    909,150.48x = 1,254,607.92 × 527,212.80
  4. Step 4: Simplify right side
    909,150.48x = 661,445,354,405.38
  5. Step 5: Solve for x
    x = 661,445,354,405.38/909,150.48
  6. Step 6: Final answer
    x = 727,542.22

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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.