Home / 1,010,377.80-1,515,566.70-411,030.45

Finding the Fourth Proportional to 1,010,377.80, 1,515,566.70 and 411,030.45

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Solution

The fourth proportional to 1,010,377.80, 1,515,566.70 and 411,030.45 is: 616,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,377.80 : 1,515,566.70 = 411,030.45 : x
  2. Step 2: Convert to fraction form
    1,010,377.80/1,515,566.70 = 411,030.45/x
  3. Step 3: Cross multiply
    1,010,377.80x = 1,515,566.70 × 411,030.45
  4. Step 4: Simplify right side
    1,010,377.80x = 622,944,062,706.02
  5. Step 5: Solve for x
    x = 622,944,062,706.02/1,010,377.80
  6. Step 6: Final answer
    x = 616,545.68

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Double scale
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Similar ratio
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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.