Home / 1,039,947.60-1,559,921.40-697,463.40

Finding the Fourth Proportional to 1,039,947.60, 1,559,921.40 and 697,463.40

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Solution

The fourth proportional to 1,039,947.60, 1,559,921.40 and 697,463.40 is: 1,046,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,947.60 : 1,559,921.40 = 697,463.40 : x
  2. Step 2: Convert to fraction form
    1,039,947.60/1,559,921.40 = 697,463.40/x
  3. Step 3: Cross multiply
    1,039,947.60x = 1,559,921.40 × 697,463.40
  4. Step 4: Simplify right side
    1,039,947.60x = 1,087,988,083,376.76
  5. Step 5: Solve for x
    x = 1,087,988,083,376.76/1,039,947.60
  6. Step 6: Final answer
    x = 1,046,195.10

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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.