Home / 916,057.30-1,264,592.10-610,642.76

Finding the Fourth Proportional to 916,057.30, 1,264,592.10 and 610,642.76

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Solution

The fourth proportional to 916,057.30, 1,264,592.10 and 610,642.76 is: 842,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,057.30 : 1,264,592.10 = 610,642.76 : x
  2. Step 2: Convert to fraction form
    916,057.30/1,264,592.10 = 610,642.76/x
  3. Step 3: Cross multiply
    916,057.30x = 1,264,592.10 × 610,642.76
  4. Step 4: Simplify right side
    916,057.30x = 772,214,010,218.20
  5. Step 5: Solve for x
    x = 772,214,010,218.20/916,057.30
  6. Step 6: Final answer
    x = 842,975.66

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Double scale
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1.5x scale

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.