Home / 1,417,630.05-2,126,856.96-458,065.58

Finding the Fourth Proportional to 1,417,630.05, 2,126,856.96 and 458,065.58

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Solution

The fourth proportional to 1,417,630.05, 2,126,856.96 and 458,065.58 is: 687,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,630.05 : 2,126,856.96 = 458,065.58 : x
  2. Step 2: Convert to fraction form
    1,417,630.05/2,126,856.96 = 458,065.58/x
  3. Step 3: Cross multiply
    1,417,630.05x = 2,126,856.96 × 458,065.58
  4. Step 4: Simplify right side
    1,417,630.05x = 974,239,956,325.15
  5. Step 5: Solve for x
    x = 974,239,956,325.15/1,417,630.05
  6. Step 6: Final answer
    x = 687,231.45

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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.