Home / 983,638.55-1,357,367.04-542,026.15

Finding the Fourth Proportional to 983,638.55, 1,357,367.04 and 542,026.15

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Solution

The fourth proportional to 983,638.55, 1,357,367.04 and 542,026.15 is: 747,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,638.55 : 1,357,367.04 = 542,026.15 : x
  2. Step 2: Convert to fraction form
    983,638.55/1,357,367.04 = 542,026.15/x
  3. Step 3: Cross multiply
    983,638.55x = 1,357,367.04 × 542,026.15
  4. Step 4: Simplify right side
    983,638.55x = 735,728,427,434.68
  5. Step 5: Solve for x
    x = 735,728,427,434.68/983,638.55
  6. Step 6: Final answer
    x = 747,966.24

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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.