Home / 912,235.60-1,366,279.80-576,312.40

Finding the Fourth Proportional to 912,235.60, 1,366,279.80 and 576,312.40

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Solution

The fourth proportional to 912,235.60, 1,366,279.80 and 576,312.40 is: 863,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,235.60 : 1,366,279.80 = 576,312.40 : x
  2. Step 2: Convert to fraction form
    912,235.60/1,366,279.80 = 576,312.40/x
  3. Step 3: Cross multiply
    912,235.60x = 1,366,279.80 × 576,312.40
  4. Step 4: Simplify right side
    912,235.60x = 787,403,990,609.52
  5. Step 5: Solve for x
    x = 787,403,990,609.52/912,235.60
  6. Step 6: Final answer
    x = 863,158.59

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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.