Home / 1,116,654.71-1,539,752.57-771,892.12

Finding the Fourth Proportional to 1,116,654.71, 1,539,752.57 and 771,892.12

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Solution

The fourth proportional to 1,116,654.71, 1,539,752.57 and 771,892.12 is: 1,064,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,654.71 : 1,539,752.57 = 771,892.12 : x
  2. Step 2: Convert to fraction form
    1,116,654.71/1,539,752.57 = 771,892.12/x
  3. Step 3: Cross multiply
    1,116,654.71x = 1,539,752.57 × 771,892.12
  4. Step 4: Simplify right side
    1,116,654.71x = 1,188,522,872,156.35
  5. Step 5: Solve for x
    x = 1,188,522,872,156.35/1,116,654.71
  6. Step 6: Final answer
    x = 1,064,360.24

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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.