Home / 1,507,123.41-2,260,706.39-442,187.46

Finding the Fourth Proportional to 1,507,123.41, 2,260,706.39 and 442,187.46

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Solution

The fourth proportional to 1,507,123.41, 2,260,706.39 and 442,187.46 is: 663,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,123.41 : 2,260,706.39 = 442,187.46 : x
  2. Step 2: Convert to fraction form
    1,507,123.41/2,260,706.39 = 442,187.46/x
  3. Step 3: Cross multiply
    1,507,123.41x = 2,260,706.39 × 442,187.46
  4. Step 4: Simplify right side
    1,507,123.41x = 999,656,014,188.93
  5. Step 5: Solve for x
    x = 999,656,014,188.93/1,507,123.41
  6. Step 6: Final answer
    x = 663,287.43

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Double scale
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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.