Home / 882,637.28-1,217,678.64-614,520.80

Finding the Fourth Proportional to 882,637.28, 1,217,678.64 and 614,520.80

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Solution

The fourth proportional to 882,637.28, 1,217,678.64 and 614,520.80 is: 847,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,637.28 : 1,217,678.64 = 614,520.80 : x
  2. Step 2: Convert to fraction form
    882,637.28/1,217,678.64 = 614,520.80/x
  3. Step 3: Cross multiply
    882,637.28x = 1,217,678.64 × 614,520.80
  4. Step 4: Simplify right side
    882,637.28x = 748,288,851,995.71
  5. Step 5: Solve for x
    x = 748,288,851,995.71/882,637.28
  6. Step 6: Final answer
    x = 847,787.50

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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.