Home / 881,729.28-1,217,061.36-519,124.32

Finding the Fourth Proportional to 881,729.28, 1,217,061.36 and 519,124.32

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Solution

The fourth proportional to 881,729.28, 1,217,061.36 and 519,124.32 is: 716,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,729.28 : 1,217,061.36 = 519,124.32 : x
  2. Step 2: Convert to fraction form
    881,729.28/1,217,061.36 = 519,124.32/x
  3. Step 3: Cross multiply
    881,729.28x = 1,217,061.36 × 519,124.32
  4. Step 4: Simplify right side
    881,729.28x = 631,806,150,908.28
  5. Step 5: Solve for x
    x = 631,806,150,908.28/881,729.28
  6. Step 6: Final answer
    x = 716,553.44

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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.