Home / 909,151.48-1,254,609.30-527,213.80

Finding the Fourth Proportional to 909,151.48, 1,254,609.30 and 527,213.80

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Solution

The fourth proportional to 909,151.48, 1,254,609.30 and 527,213.80 is: 727,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,151.48 : 1,254,609.30 = 527,213.80 : x
  2. Step 2: Convert to fraction form
    909,151.48/1,254,609.30 = 527,213.80/x
  3. Step 3: Cross multiply
    909,151.48x = 1,254,609.30 × 527,213.80
  4. Step 4: Simplify right side
    909,151.48x = 661,447,336,568.34
  5. Step 5: Solve for x
    x = 661,447,336,568.34/909,151.48
  6. Step 6: Final answer
    x = 727,543.60

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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.