Home / 868,720.16-1,303,097.52-571,099.04

Finding the Fourth Proportional to 868,720.16, 1,303,097.52 and 571,099.04

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Solution

The fourth proportional to 868,720.16, 1,303,097.52 and 571,099.04 is: 856,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,720.16 : 1,303,097.52 = 571,099.04 : x
  2. Step 2: Convert to fraction form
    868,720.16/1,303,097.52 = 571,099.04/x
  3. Step 3: Cross multiply
    868,720.16x = 1,303,097.52 × 571,099.04
  4. Step 4: Simplify right side
    868,720.16x = 744,197,742,698.38
  5. Step 5: Solve for x
    x = 744,197,742,698.38/868,720.16
  6. Step 6: Final answer
    x = 856,659.92

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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.