Home / 615,822.30-923,733.45-404,315.10

Finding the Fourth Proportional to 615,822.30, 923,733.45 and 404,315.10

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Solution

The fourth proportional to 615,822.30, 923,733.45 and 404,315.10 is: 606,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,822.30 : 923,733.45 = 404,315.10 : x
  2. Step 2: Convert to fraction form
    615,822.30/923,733.45 = 404,315.10/x
  3. Step 3: Cross multiply
    615,822.30x = 923,733.45 × 404,315.10
  4. Step 4: Simplify right side
    615,822.30x = 373,479,382,210.10
  5. Step 5: Solve for x
    x = 373,479,382,210.10/615,822.30
  6. Step 6: Final answer
    x = 606,472.65

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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.