Home / 828,695.61-1,142,820.50-766,842.39

Finding the Fourth Proportional to 828,695.61, 1,142,820.50 and 766,842.39

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Solution

The fourth proportional to 828,695.61, 1,142,820.50 and 766,842.39 is: 1,057,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,695.61 : 1,142,820.50 = 766,842.39 : x
  2. Step 2: Convert to fraction form
    828,695.61/1,142,820.50 = 766,842.39/x
  3. Step 3: Cross multiply
    828,695.61x = 1,142,820.50 × 766,842.39
  4. Step 4: Simplify right side
    828,695.61x = 876,363,199,726.78
  5. Step 5: Solve for x
    x = 876,363,199,726.78/828,695.61
  6. Step 6: Final answer
    x = 1,057,521.23

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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.