Home / 1,254,374.80-1,881,562.20-1,247,376.40

Finding the Fourth Proportional to 1,254,374.80, 1,881,562.20 and 1,247,376.40

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Solution

The fourth proportional to 1,254,374.80, 1,881,562.20 and 1,247,376.40 is: 1,871,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,374.80 : 1,881,562.20 = 1,247,376.40 : x
  2. Step 2: Convert to fraction form
    1,254,374.80/1,881,562.20 = 1,247,376.40/x
  3. Step 3: Cross multiply
    1,254,374.80x = 1,881,562.20 × 1,247,376.40
  4. Step 4: Simplify right side
    1,254,374.80x = 2,347,016,283,412.08
  5. Step 5: Solve for x
    x = 2,347,016,283,412.08/1,254,374.80
  6. Step 6: Final answer
    x = 1,871,064.60

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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.