Home / 851,666.40-1,277,499.76-346,502.24

Finding the Fourth Proportional to 851,666.40, 1,277,499.76 and 346,502.24

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Solution

The fourth proportional to 851,666.40, 1,277,499.76 and 346,502.24 is: 519,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,666.40 : 1,277,499.76 = 346,502.24 : x
  2. Step 2: Convert to fraction form
    851,666.40/1,277,499.76 = 346,502.24/x
  3. Step 3: Cross multiply
    851,666.40x = 1,277,499.76 × 346,502.24
  4. Step 4: Simplify right side
    851,666.40x = 442,656,528,439.46
  5. Step 5: Solve for x
    x = 442,656,528,439.46/851,666.40
  6. Step 6: Final answer
    x = 519,753.43

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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.