Home / 1,247,812.60-1,868,954.10-966,417.40

Finding the Fourth Proportional to 1,247,812.60, 1,868,954.10 and 966,417.40

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Solution

The fourth proportional to 1,247,812.60, 1,868,954.10 and 966,417.40 is: 1,447,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,812.60 : 1,868,954.10 = 966,417.40 : x
  2. Step 2: Convert to fraction form
    1,247,812.60/1,868,954.10 = 966,417.40/x
  3. Step 3: Cross multiply
    1,247,812.60x = 1,868,954.10 × 966,417.40
  4. Step 4: Simplify right side
    1,247,812.60x = 1,806,189,762,041.34
  5. Step 5: Solve for x
    x = 1,806,189,762,041.34/1,247,812.60
  6. Step 6: Final answer
    x = 1,447,484.79

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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.