Home / 1,678,711.45-2,316,624.75-914,765.01

Finding the Fourth Proportional to 1,678,711.45, 2,316,624.75 and 914,765.01

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Solution

The fourth proportional to 1,678,711.45, 2,316,624.75 and 914,765.01 is: 1,262,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,711.45 : 2,316,624.75 = 914,765.01 : x
  2. Step 2: Convert to fraction form
    1,678,711.45/2,316,624.75 = 914,765.01/x
  3. Step 3: Cross multiply
    1,678,711.45x = 2,316,624.75 × 914,765.01
  4. Step 4: Simplify right side
    1,678,711.45x = 2,119,167,262,600.00
  5. Step 5: Solve for x
    x = 2,119,167,262,600.00/1,678,711.45
  6. Step 6: Final answer
    x = 1,262,377.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.