Home / 1,013,876.46-1,399,171.37-561,167.46

Finding the Fourth Proportional to 1,013,876.46, 1,399,171.37 and 561,167.46

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Solution

The fourth proportional to 1,013,876.46, 1,399,171.37 and 561,167.46 is: 774,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,876.46 : 1,399,171.37 = 561,167.46 : x
  2. Step 2: Convert to fraction form
    1,013,876.46/1,399,171.37 = 561,167.46/x
  3. Step 3: Cross multiply
    1,013,876.46x = 1,399,171.37 × 561,167.46
  4. Step 4: Simplify right side
    1,013,876.46x = 785,169,441,001.78
  5. Step 5: Solve for x
    x = 785,169,441,001.78/1,013,876.46
  6. Step 6: Final answer
    x = 774,423.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.