Home / 646,545.22-892,302.47-356,186.53

Finding the Fourth Proportional to 646,545.22, 892,302.47 and 356,186.53

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Solution

The fourth proportional to 646,545.22, 892,302.47 and 356,186.53 is: 491,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,545.22 : 892,302.47 = 356,186.53 : x
  2. Step 2: Convert to fraction form
    646,545.22/892,302.47 = 356,186.53/x
  3. Step 3: Cross multiply
    646,545.22x = 892,302.47 × 356,186.53
  4. Step 4: Simplify right side
    646,545.22x = 317,826,120,499.73
  5. Step 5: Solve for x
    x = 317,826,120,499.73/646,545.22
  6. Step 6: Final answer
    x = 491,576.01

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1.5x scale

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.