Home / 912,134.92-1,259,101.38-816,476.20

Finding the Fourth Proportional to 912,134.92, 1,259,101.38 and 816,476.20

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Solution

The fourth proportional to 912,134.92, 1,259,101.38 and 816,476.20 is: 1,127,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,134.92 : 1,259,101.38 = 816,476.20 : x
  2. Step 2: Convert to fraction form
    912,134.92/1,259,101.38 = 816,476.20/x
  3. Step 3: Cross multiply
    912,134.92x = 1,259,101.38 × 816,476.20
  4. Step 4: Simplify right side
    912,134.92x = 1,028,026,310,157.16
  5. Step 5: Solve for x
    x = 1,028,026,310,157.16/912,134.92
  6. Step 6: Final answer
    x = 1,127,055.10

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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.