Home / 772,244.65-1,064,516.24-542,156.45

Finding the Fourth Proportional to 772,244.65, 1,064,516.24 and 542,156.45

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Solution

The fourth proportional to 772,244.65, 1,064,516.24 and 542,156.45 is: 747,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,244.65 : 1,064,516.24 = 542,156.45 : x
  2. Step 2: Convert to fraction form
    772,244.65/1,064,516.24 = 542,156.45/x
  3. Step 3: Cross multiply
    772,244.65x = 1,064,516.24 × 542,156.45
  4. Step 4: Simplify right side
    772,244.65x = 577,134,342,934.97
  5. Step 5: Solve for x
    x = 577,134,342,934.97/772,244.65
  6. Step 6: Final answer
    x = 747,346.51

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Double scale
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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.