Home / 830,436.12-1,245,654.90-594,240.12

Finding the Fourth Proportional to 830,436.12, 1,245,654.90 and 594,240.12

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Solution

The fourth proportional to 830,436.12, 1,245,654.90 and 594,240.12 is: 891,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,436.12 : 1,245,654.90 = 594,240.12 : x
  2. Step 2: Convert to fraction form
    830,436.12/1,245,654.90 = 594,240.12/x
  3. Step 3: Cross multiply
    830,436.12x = 1,245,654.90 × 594,240.12
  4. Step 4: Simplify right side
    830,436.12x = 740,218,117,254.59
  5. Step 5: Solve for x
    x = 740,218,117,254.59/830,436.12
  6. Step 6: Final answer
    x = 891,360.70

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Double scale
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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.