Home / 718,092.50-1,076,222.93-381,294.50

Finding the Fourth Proportional to 718,092.50, 1,076,222.93 and 381,294.50

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Solution

The fourth proportional to 718,092.50, 1,076,222.93 and 381,294.50 is: 571,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,092.50 : 1,076,222.93 = 381,294.50 : x
  2. Step 2: Convert to fraction form
    718,092.50/1,076,222.93 = 381,294.50/x
  3. Step 3: Cross multiply
    718,092.50x = 1,076,222.93 × 381,294.50
  4. Step 4: Simplify right side
    718,092.50x = 410,357,876,695.30
  5. Step 5: Solve for x
    x = 410,357,876,695.30/718,092.50
  6. Step 6: Final answer
    x = 571,455.46

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Double scale
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1.5x scale

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.