Home / 827,860.92-1,142,539.10-474,275.34

Finding the Fourth Proportional to 827,860.92, 1,142,539.10 and 474,275.34

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Solution

The fourth proportional to 827,860.92, 1,142,539.10 and 474,275.34 is: 654,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,860.92 : 1,142,539.10 = 474,275.34 : x
  2. Step 2: Convert to fraction form
    827,860.92/1,142,539.10 = 474,275.34/x
  3. Step 3: Cross multiply
    827,860.92x = 1,142,539.10 × 474,275.34
  4. Step 4: Simplify right side
    827,860.92x = 541,878,124,070.24
  5. Step 5: Solve for x
    x = 541,878,124,070.24/827,860.92
  6. Step 6: Final answer
    x = 654,552.13

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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.