Home / 1,316,353.20-1,974,529.80-838,056.30

Finding the Fourth Proportional to 1,316,353.20, 1,974,529.80 and 838,056.30

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Solution

The fourth proportional to 1,316,353.20, 1,974,529.80 and 838,056.30 is: 1,257,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,353.20 : 1,974,529.80 = 838,056.30 : x
  2. Step 2: Convert to fraction form
    1,316,353.20/1,974,529.80 = 838,056.30/x
  3. Step 3: Cross multiply
    1,316,353.20x = 1,974,529.80 × 838,056.30
  4. Step 4: Simplify right side
    1,316,353.20x = 1,654,767,138,427.74
  5. Step 5: Solve for x
    x = 1,654,767,138,427.74/1,316,353.20
  6. Step 6: Final answer
    x = 1,257,084.45

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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.