Home / 1,013,824.68-1,399,122.18-561,115.56

Finding the Fourth Proportional to 1,013,824.68, 1,399,122.18 and 561,115.56

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Solution

The fourth proportional to 1,013,824.68, 1,399,122.18 and 561,115.56 is: 774,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,824.68 : 1,399,122.18 = 561,115.56 : x
  2. Step 2: Convert to fraction form
    1,013,824.68/1,399,122.18 = 561,115.56/x
  3. Step 3: Cross multiply
    1,013,824.68x = 1,399,122.18 × 561,115.56
  4. Step 4: Simplify right side
    1,013,824.68x = 785,069,225,539.12
  5. Step 5: Solve for x
    x = 785,069,225,539.12/1,013,824.68
  6. Step 6: Final answer
    x = 774,363.89

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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.