Home / 713,079.60-1,069,619.40-657,092.40

Finding the Fourth Proportional to 713,079.60, 1,069,619.40 and 657,092.40

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Solution

The fourth proportional to 713,079.60, 1,069,619.40 and 657,092.40 is: 985,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,079.60 : 1,069,619.40 = 657,092.40 : x
  2. Step 2: Convert to fraction form
    713,079.60/1,069,619.40 = 657,092.40/x
  3. Step 3: Cross multiply
    713,079.60x = 1,069,619.40 × 657,092.40
  4. Step 4: Simplify right side
    713,079.60x = 702,838,778,632.56
  5. Step 5: Solve for x
    x = 702,838,778,632.56/713,079.60
  6. Step 6: Final answer
    x = 985,638.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.