Home / 1,160,116.90-1,600,937.28-643,840.83

Finding the Fourth Proportional to 1,160,116.90, 1,600,937.28 and 643,840.83

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Solution

The fourth proportional to 1,160,116.90, 1,600,937.28 and 643,840.83 is: 888,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,116.90 : 1,600,937.28 = 643,840.83 : x
  2. Step 2: Convert to fraction form
    1,160,116.90/1,600,937.28 = 643,840.83/x
  3. Step 3: Cross multiply
    1,160,116.90x = 1,600,937.28 × 643,840.83
  4. Step 4: Simplify right side
    1,160,116.90x = 1,030,748,787,133.14
  5. Step 5: Solve for x
    x = 1,030,748,787,133.14/1,160,116.90
  6. Step 6: Final answer
    x = 888,487.00

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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.