Home / 1,543,886.10-2,315,829.15-421,955.10

Finding the Fourth Proportional to 1,543,886.10, 2,315,829.15 and 421,955.10

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Solution

The fourth proportional to 1,543,886.10, 2,315,829.15 and 421,955.10 is: 632,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,886.10 : 2,315,829.15 = 421,955.10 : x
  2. Step 2: Convert to fraction form
    1,543,886.10/2,315,829.15 = 421,955.10/x
  3. Step 3: Cross multiply
    1,543,886.10x = 2,315,829.15 × 421,955.10
  4. Step 4: Simplify right side
    1,543,886.10x = 977,175,920,571.17
  5. Step 5: Solve for x
    x = 977,175,920,571.17/1,543,886.10
  6. Step 6: Final answer
    x = 632,932.65

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Double scale
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Similar ratio
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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.