Home / 1,176,005.60-1,759,861.20-819,346.40

Finding the Fourth Proportional to 1,176,005.60, 1,759,861.20 and 819,346.40

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Solution

The fourth proportional to 1,176,005.60, 1,759,861.20 and 819,346.40 is: 1,226,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,005.60 : 1,759,861.20 = 819,346.40 : x
  2. Step 2: Convert to fraction form
    1,176,005.60/1,759,861.20 = 819,346.40/x
  3. Step 3: Cross multiply
    1,176,005.60x = 1,759,861.20 × 819,346.40
  4. Step 4: Simplify right side
    1,176,005.60x = 1,441,935,938,719.68
  5. Step 5: Solve for x
    x = 1,441,935,938,719.68/1,176,005.60
  6. Step 6: Final answer
    x = 1,226,130.16

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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.