Home / 776,871.40-1,165,307.10-461,165.80

Finding the Fourth Proportional to 776,871.40, 1,165,307.10 and 461,165.80

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Solution

The fourth proportional to 776,871.40, 1,165,307.10 and 461,165.80 is: 691,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,871.40 : 1,165,307.10 = 461,165.80 : x
  2. Step 2: Convert to fraction form
    776,871.40/1,165,307.10 = 461,165.80/x
  3. Step 3: Cross multiply
    776,871.40x = 1,165,307.10 × 461,165.80
  4. Step 4: Simplify right side
    776,871.40x = 537,399,781,017.18
  5. Step 5: Solve for x
    x = 537,399,781,017.18/776,871.40
  6. Step 6: Final answer
    x = 691,748.70

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Double scale
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Similar ratio
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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.