Home / 1,225,724.40-1,838,586.60-1,127,309.40

Finding the Fourth Proportional to 1,225,724.40, 1,838,586.60 and 1,127,309.40

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Solution

The fourth proportional to 1,225,724.40, 1,838,586.60 and 1,127,309.40 is: 1,690,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,724.40 : 1,838,586.60 = 1,127,309.40 : x
  2. Step 2: Convert to fraction form
    1,225,724.40/1,838,586.60 = 1,127,309.40/x
  3. Step 3: Cross multiply
    1,225,724.40x = 1,838,586.60 × 1,127,309.40
  4. Step 4: Simplify right side
    1,225,724.40x = 2,072,655,956,894.04
  5. Step 5: Solve for x
    x = 2,072,655,956,894.04/1,225,724.40
  6. Step 6: Final answer
    x = 1,690,964.10

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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.