Home / 812,010.80-1,215,683.40-497,082.80

Finding the Fourth Proportional to 812,010.80, 1,215,683.40 and 497,082.80

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Solution

The fourth proportional to 812,010.80, 1,215,683.40 and 497,082.80 is: 744,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,010.80 : 1,215,683.40 = 497,082.80 : x
  2. Step 2: Convert to fraction form
    812,010.80/1,215,683.40 = 497,082.80/x
  3. Step 3: Cross multiply
    812,010.80x = 1,215,683.40 × 497,082.80
  4. Step 4: Simplify right side
    812,010.80x = 604,295,308,385.52
  5. Step 5: Solve for x
    x = 604,295,308,385.52/812,010.80
  6. Step 6: Final answer
    x = 744,196.15

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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.