Home / 973,431.92-1,458,111.12-782,862.16

Finding the Fourth Proportional to 973,431.92, 1,458,111.12 and 782,862.16

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Solution

The fourth proportional to 973,431.92, 1,458,111.12 and 782,862.16 is: 1,172,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,431.92 : 1,458,111.12 = 782,862.16 : x
  2. Step 2: Convert to fraction form
    973,431.92/1,458,111.12 = 782,862.16/x
  3. Step 3: Cross multiply
    973,431.92x = 1,458,111.12 × 782,862.16
  4. Step 4: Simplify right side
    973,431.92x = 1,141,500,020,923.22
  5. Step 5: Solve for x
    x = 1,141,500,020,923.22/973,431.92
  6. Step 6: Final answer
    x = 1,172,655.22

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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.