Home / 953,919.30-1,316,121.57-571,806.66

Finding the Fourth Proportional to 953,919.30, 1,316,121.57 and 571,806.66

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Solution

The fourth proportional to 953,919.30, 1,316,121.57 and 571,806.66 is: 788,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,919.30 : 1,316,121.57 = 571,806.66 : x
  2. Step 2: Convert to fraction form
    953,919.30/1,316,121.57 = 571,806.66/x
  3. Step 3: Cross multiply
    953,919.30x = 1,316,121.57 × 571,806.66
  4. Step 4: Simplify right side
    953,919.30x = 752,567,079,095.66
  5. Step 5: Solve for x
    x = 752,567,079,095.66/953,919.30
  6. Step 6: Final answer
    x = 788,921.12

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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.