Home / 1,247,889.60-1,872,041.33-438,064.01

Finding the Fourth Proportional to 1,247,889.60, 1,872,041.33 and 438,064.01

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Solution

The fourth proportional to 1,247,889.60, 1,872,041.33 and 438,064.01 is: 657,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,889.60 : 1,872,041.33 = 438,064.01 : x
  2. Step 2: Convert to fraction form
    1,247,889.60/1,872,041.33 = 438,064.01/x
  3. Step 3: Cross multiply
    1,247,889.60x = 1,872,041.33 × 438,064.01
  4. Step 4: Simplify right side
    1,247,889.60x = 820,073,920,355.01
  5. Step 5: Solve for x
    x = 820,073,920,355.01/1,247,889.60
  6. Step 6: Final answer
    x = 657,168.65

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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.