Home / 975,071.80-1,462,607.70-656,207.20

Finding the Fourth Proportional to 975,071.80, 1,462,607.70 and 656,207.20

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Solution

The fourth proportional to 975,071.80, 1,462,607.70 and 656,207.20 is: 984,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,071.80 : 1,462,607.70 = 656,207.20 : x
  2. Step 2: Convert to fraction form
    975,071.80/1,462,607.70 = 656,207.20/x
  3. Step 3: Cross multiply
    975,071.80x = 1,462,607.70 × 656,207.20
  4. Step 4: Simplify right side
    975,071.80x = 959,773,703,515.44
  5. Step 5: Solve for x
    x = 959,773,703,515.44/975,071.80
  6. Step 6: Final answer
    x = 984,310.80

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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.