Home / 935,353.16-1,290,493.08-572,398.64

Finding the Fourth Proportional to 935,353.16, 1,290,493.08 and 572,398.64

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Solution

The fourth proportional to 935,353.16, 1,290,493.08 and 572,398.64 is: 789,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,353.16 : 1,290,493.08 = 572,398.64 : x
  2. Step 2: Convert to fraction form
    935,353.16/1,290,493.08 = 572,398.64/x
  3. Step 3: Cross multiply
    935,353.16x = 1,290,493.08 × 572,398.64
  4. Step 4: Simplify right side
    935,353.16x = 738,676,483,921.41
  5. Step 5: Solve for x
    x = 738,676,483,921.41/935,353.16
  6. Step 6: Final answer
    x = 789,730.04

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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.