Home / 935,448.32-1,290,995.20-527,528.96

Finding the Fourth Proportional to 935,448.32, 1,290,995.20 and 527,528.96

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Solution

The fourth proportional to 935,448.32, 1,290,995.20 and 527,528.96 is: 728,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,448.32 : 1,290,995.20 = 527,528.96 : x
  2. Step 2: Convert to fraction form
    935,448.32/1,290,995.20 = 527,528.96/x
  3. Step 3: Cross multiply
    935,448.32x = 1,290,995.20 × 527,528.96
  4. Step 4: Simplify right side
    935,448.32x = 681,037,355,220.99
  5. Step 5: Solve for x
    x = 681,037,355,220.99/935,448.32
  6. Step 6: Final answer
    x = 728,033.12

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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.