Home / 864,683.60-1,193,283.24-542,407.28

Finding the Fourth Proportional to 864,683.60, 1,193,283.24 and 542,407.28

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Solution

The fourth proportional to 864,683.60, 1,193,283.24 and 542,407.28 is: 748,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,683.60 : 1,193,283.24 = 542,407.28 : x
  2. Step 2: Convert to fraction form
    864,683.60/1,193,283.24 = 542,407.28/x
  3. Step 3: Cross multiply
    864,683.60x = 1,193,283.24 × 542,407.28
  4. Step 4: Simplify right side
    864,683.60x = 647,245,516,477.99
  5. Step 5: Solve for x
    x = 647,245,516,477.99/864,683.60
  6. Step 6: Final answer
    x = 748,534.51

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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.