Home / 935,647.20-1,403,470.80-579,506.40

Finding the Fourth Proportional to 935,647.20, 1,403,470.80 and 579,506.40

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Solution

The fourth proportional to 935,647.20, 1,403,470.80 and 579,506.40 is: 869,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,647.20 : 1,403,470.80 = 579,506.40 : x
  2. Step 2: Convert to fraction form
    935,647.20/1,403,470.80 = 579,506.40/x
  3. Step 3: Cross multiply
    935,647.20x = 1,403,470.80 × 579,506.40
  4. Step 4: Simplify right side
    935,647.20x = 813,320,310,813.12
  5. Step 5: Solve for x
    x = 813,320,310,813.12/935,647.20
  6. Step 6: Final answer
    x = 869,259.60

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Similar ratio
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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.