Home / 963,853.20-1,330,125.12-534,140.46

Finding the Fourth Proportional to 963,853.20, 1,330,125.12 and 534,140.46

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Solution

The fourth proportional to 963,853.20, 1,330,125.12 and 534,140.46 is: 737,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,853.20 : 1,330,125.12 = 534,140.46 : x
  2. Step 2: Convert to fraction form
    963,853.20/1,330,125.12 = 534,140.46/x
  3. Step 3: Cross multiply
    963,853.20x = 1,330,125.12 × 534,140.46
  4. Step 4: Simplify right side
    963,853.20x = 710,473,643,454.36
  5. Step 5: Solve for x
    x = 710,473,643,454.36/963,853.20
  6. Step 6: Final answer
    x = 737,118.10

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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.