Home / 859,967.08-1,187,285.70-554,151.40

Finding the Fourth Proportional to 859,967.08, 1,187,285.70 and 554,151.40

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Solution

The fourth proportional to 859,967.08, 1,187,285.70 and 554,151.40 is: 765,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,967.08 : 1,187,285.70 = 554,151.40 : x
  2. Step 2: Convert to fraction form
    859,967.08/1,187,285.70 = 554,151.40/x
  3. Step 3: Cross multiply
    859,967.08x = 1,187,285.70 × 554,151.40
  4. Step 4: Simplify right side
    859,967.08x = 657,936,032,854.98
  5. Step 5: Solve for x
    x = 657,936,032,854.98/859,967.08
  6. Step 6: Final answer
    x = 765,071.18

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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.