Home / 746,644.10-1,119,966.15-448,045.70

Finding the Fourth Proportional to 746,644.10, 1,119,966.15 and 448,045.70

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Solution

The fourth proportional to 746,644.10, 1,119,966.15 and 448,045.70 is: 672,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,644.10 : 1,119,966.15 = 448,045.70 : x
  2. Step 2: Convert to fraction form
    746,644.10/1,119,966.15 = 448,045.70/x
  3. Step 3: Cross multiply
    746,644.10x = 1,119,966.15 × 448,045.70
  4. Step 4: Simplify right side
    746,644.10x = 501,796,017,653.06
  5. Step 5: Solve for x
    x = 501,796,017,653.06/746,644.10
  6. Step 6: Final answer
    x = 672,068.55

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Double scale
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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.