Home / 1,010,423.98-1,515,631.74-411,243.10

Finding the Fourth Proportional to 1,010,423.98, 1,515,631.74 and 411,243.10

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Solution

The fourth proportional to 1,010,423.98, 1,515,631.74 and 411,243.10 is: 616,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,423.98 : 1,515,631.74 = 411,243.10 : x
  2. Step 2: Convert to fraction form
    1,010,423.98/1,515,631.74 = 411,243.10/x
  3. Step 3: Cross multiply
    1,010,423.98x = 1,515,631.74 × 411,243.10
  4. Step 4: Simplify right side
    1,010,423.98x = 623,293,095,215.99
  5. Step 5: Solve for x
    x = 623,293,095,215.99/1,010,423.98
  6. Step 6: Final answer
    x = 616,862.93

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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.