Home / 1,500,885.60-2,071,184.00-838,602.87

Finding the Fourth Proportional to 1,500,885.60, 2,071,184.00 and 838,602.87

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Solution

The fourth proportional to 1,500,885.60, 2,071,184.00 and 838,602.87 is: 1,157,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,885.60 : 2,071,184.00 = 838,602.87 : x
  2. Step 2: Convert to fraction form
    1,500,885.60/2,071,184.00 = 838,602.87/x
  3. Step 3: Cross multiply
    1,500,885.60x = 2,071,184.00 × 838,602.87
  4. Step 4: Simplify right side
    1,500,885.60x = 1,736,900,842,505.07
  5. Step 5: Solve for x
    x = 1,736,900,842,505.07/1,500,885.60
  6. Step 6: Final answer
    x = 1,157,250.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.