Home / 886,333.02-1,223,122.95-542,143.68

Finding the Fourth Proportional to 886,333.02, 1,223,122.95 and 542,143.68

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Solution

The fourth proportional to 886,333.02, 1,223,122.95 and 542,143.68 is: 748,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,333.02 : 1,223,122.95 = 542,143.68 : x
  2. Step 2: Convert to fraction form
    886,333.02/1,223,122.95 = 542,143.68/x
  3. Step 3: Cross multiply
    886,333.02x = 1,223,122.95 × 542,143.68
  4. Step 4: Simplify right side
    886,333.02x = 663,108,377,205.46
  5. Step 5: Solve for x
    x = 663,108,377,205.46/886,333.02
  6. Step 6: Final answer
    x = 748,148.11

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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.