Home / 1,506,326.16-2,078,765.44-861,806.32

Finding the Fourth Proportional to 1,506,326.16, 2,078,765.44 and 861,806.32

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Solution

The fourth proportional to 1,506,326.16, 2,078,765.44 and 861,806.32 is: 1,189,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,326.16 : 2,078,765.44 = 861,806.32 : x
  2. Step 2: Convert to fraction form
    1,506,326.16/2,078,765.44 = 861,806.32/x
  3. Step 3: Cross multiply
    1,506,326.16x = 2,078,765.44 × 861,806.32
  4. Step 4: Simplify right side
    1,506,326.16x = 1,791,493,193,989.58
  5. Step 5: Solve for x
    x = 1,791,493,193,989.58/1,506,326.16
  6. Step 6: Final answer
    x = 1,189,312.94

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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.