Home / 949,436.16-1,425,138.40-636,082.80

Finding the Fourth Proportional to 949,436.16, 1,425,138.40 and 636,082.80

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Solution

The fourth proportional to 949,436.16, 1,425,138.40 and 636,082.80 is: 954,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,436.16 : 1,425,138.40 = 636,082.80 : x
  2. Step 2: Convert to fraction form
    949,436.16/1,425,138.40 = 636,082.80/x
  3. Step 3: Cross multiply
    949,436.16x = 1,425,138.40 × 636,082.80
  4. Step 4: Simplify right side
    949,436.16x = 906,506,023,859.52
  5. Step 5: Solve for x
    x = 906,506,023,859.52/949,436.16
  6. Step 6: Final answer
    x = 954,783.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.