Home / 691,538.30-1,037,058.07-292,210.02

Finding the Fourth Proportional to 691,538.30, 1,037,058.07 and 292,210.02

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Solution

The fourth proportional to 691,538.30, 1,037,058.07 and 292,210.02 is: 438,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,538.30 : 1,037,058.07 = 292,210.02 : x
  2. Step 2: Convert to fraction form
    691,538.30/1,037,058.07 = 292,210.02/x
  3. Step 3: Cross multiply
    691,538.30x = 1,037,058.07 × 292,210.02
  4. Step 4: Simplify right side
    691,538.30x = 303,038,759,375.86
  5. Step 5: Solve for x
    x = 303,038,759,375.86/691,538.30
  6. Step 6: Final answer
    x = 438,209.65

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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.