Home / 851,601.38-1,277,402.27-346,437.18

Finding the Fourth Proportional to 851,601.38, 1,277,402.27 and 346,437.18

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Solution

The fourth proportional to 851,601.38, 1,277,402.27 and 346,437.18 is: 519,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,601.38 : 1,277,402.27 = 346,437.18 : x
  2. Step 2: Convert to fraction form
    851,601.38/1,277,402.27 = 346,437.18/x
  3. Step 3: Cross multiply
    851,601.38x = 1,277,402.27 × 346,437.18
  4. Step 4: Simplify right side
    851,601.38x = 442,539,638,412.21
  5. Step 5: Solve for x
    x = 442,539,638,412.21/851,601.38
  6. Step 6: Final answer
    x = 519,655.85

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Double scale
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1.5x scale

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.