Home / 875,405.70-1,314,145.35-496,628.10

Finding the Fourth Proportional to 875,405.70, 1,314,145.35 and 496,628.10

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Solution

The fourth proportional to 875,405.70, 1,314,145.35 and 496,628.10 is: 745,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,405.70 : 1,314,145.35 = 496,628.10 : x
  2. Step 2: Convert to fraction form
    875,405.70/1,314,145.35 = 496,628.10/x
  3. Step 3: Cross multiply
    875,405.70x = 1,314,145.35 × 496,628.10
  4. Step 4: Simplify right side
    875,405.70x = 652,641,508,294.34
  5. Step 5: Solve for x
    x = 652,641,508,294.34/875,405.70
  6. Step 6: Final answer
    x = 745,530.34

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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.