Home / 766,292.18-1,057,403.66-471,895.10

Finding the Fourth Proportional to 766,292.18, 1,057,403.66 and 471,895.10

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Solution

The fourth proportional to 766,292.18, 1,057,403.66 and 471,895.10 is: 651,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,292.18 : 1,057,403.66 = 471,895.10 : x
  2. Step 2: Convert to fraction form
    766,292.18/1,057,403.66 = 471,895.10/x
  3. Step 3: Cross multiply
    766,292.18x = 1,057,403.66 × 471,895.10
  4. Step 4: Simplify right side
    766,292.18x = 498,983,605,876.07
  5. Step 5: Solve for x
    x = 498,983,605,876.07/766,292.18
  6. Step 6: Final answer
    x = 651,166.25

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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.