Home / 818,905.02-1,130,332.23-517,299.90

Finding the Fourth Proportional to 818,905.02, 1,130,332.23 and 517,299.90

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Solution

The fourth proportional to 818,905.02, 1,130,332.23 and 517,299.90 is: 714,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,905.02 : 1,130,332.23 = 517,299.90 : x
  2. Step 2: Convert to fraction form
    818,905.02/1,130,332.23 = 517,299.90/x
  3. Step 3: Cross multiply
    818,905.02x = 1,130,332.23 × 517,299.90
  4. Step 4: Simplify right side
    818,905.02x = 584,720,749,545.78
  5. Step 5: Solve for x
    x = 584,720,749,545.78/818,905.02
  6. Step 6: Final answer
    x = 714,027.56

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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.