Home / 1,134,618.40-1,565,753.16-618,376.96

Finding the Fourth Proportional to 1,134,618.40, 1,565,753.16 and 618,376.96

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Solution

The fourth proportional to 1,134,618.40, 1,565,753.16 and 618,376.96 is: 853,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,618.40 : 1,565,753.16 = 618,376.96 : x
  2. Step 2: Convert to fraction form
    1,134,618.40/1,565,753.16 = 618,376.96/x
  3. Step 3: Cross multiply
    1,134,618.40x = 1,565,753.16 × 618,376.96
  4. Step 4: Simplify right side
    1,134,618.40x = 968,225,679,191.19
  5. Step 5: Solve for x
    x = 968,225,679,191.19/1,134,618.40
  6. Step 6: Final answer
    x = 853,349.18

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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.