Home / 819,403.02-1,131,490.16-514,004.36

Finding the Fourth Proportional to 819,403.02, 1,131,490.16 and 514,004.36

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Solution

The fourth proportional to 819,403.02, 1,131,490.16 and 514,004.36 is: 709,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,403.02 : 1,131,490.16 = 514,004.36 : x
  2. Step 2: Convert to fraction form
    819,403.02/1,131,490.16 = 514,004.36/x
  3. Step 3: Cross multiply
    819,403.02x = 1,131,490.16 × 514,004.36
  4. Step 4: Simplify right side
    819,403.02x = 581,590,875,310.73
  5. Step 5: Solve for x
    x = 581,590,875,310.73/819,403.02
  6. Step 6: Final answer
    x = 709,773.90

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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.