Home / 1,015,144.64-1,400,265.28-653,040

Finding the Fourth Proportional to 1,015,144.64, 1,400,265.28 and 653,040

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Solution

The fourth proportional to 1,015,144.64, 1,400,265.28 and 653,040 is: 900,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,144.64 : 1,400,265.28 = 653,040 : x
  2. Step 2: Convert to fraction form
    1,015,144.64/1,400,265.28 = 653,040/x
  3. Step 3: Cross multiply
    1,015,144.64x = 1,400,265.28 × 653,040
  4. Step 4: Simplify right side
    1,015,144.64x = 914,429,238,451.20
  5. Step 5: Solve for x
    x = 914,429,238,451.20/1,015,144.64
  6. Step 6: Final answer
    x = 900,787.14

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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.