Home / 1,221,723.50-1,832,848.46-368,723.76

Finding the Fourth Proportional to 1,221,723.50, 1,832,848.46 and 368,723.76

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Solution

The fourth proportional to 1,221,723.50, 1,832,848.46 and 368,723.76 is: 553,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,723.50 : 1,832,848.46 = 368,723.76 : x
  2. Step 2: Convert to fraction form
    1,221,723.50/1,832,848.46 = 368,723.76/x
  3. Step 3: Cross multiply
    1,221,723.50x = 1,832,848.46 × 368,723.76
  4. Step 4: Simplify right side
    1,221,723.50x = 675,814,775,681.41
  5. Step 5: Solve for x
    x = 675,814,775,681.41/1,221,723.50
  6. Step 6: Final answer
    x = 553,165.08

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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.