Home / 1,243,173.56-1,864,575.56-344,521.58

Finding the Fourth Proportional to 1,243,173.56, 1,864,575.56 and 344,521.58

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Solution

The fourth proportional to 1,243,173.56, 1,864,575.56 and 344,521.58 is: 516,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,173.56 : 1,864,575.56 = 344,521.58 : x
  2. Step 2: Convert to fraction form
    1,243,173.56/1,864,575.56 = 344,521.58/x
  3. Step 3: Cross multiply
    1,243,173.56x = 1,864,575.56 × 344,521.58
  4. Step 4: Simplify right side
    1,243,173.56x = 642,386,517,960.59
  5. Step 5: Solve for x
    x = 642,386,517,960.59/1,243,173.56
  6. Step 6: Final answer
    x = 516,731.16

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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.