Home / 846,365.20-1,167,985.38-464,394.88

Finding the Fourth Proportional to 846,365.20, 1,167,985.38 and 464,394.88

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Solution

The fourth proportional to 846,365.20, 1,167,985.38 and 464,394.88 is: 640,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,365.20 : 1,167,985.38 = 464,394.88 : x
  2. Step 2: Convert to fraction form
    846,365.20/1,167,985.38 = 464,394.88/x
  3. Step 3: Cross multiply
    846,365.20x = 1,167,985.38 × 464,394.88
  4. Step 4: Simplify right side
    846,365.20x = 542,406,430,386.85
  5. Step 5: Solve for x
    x = 542,406,430,386.85/846,365.20
  6. Step 6: Final answer
    x = 640,865.70

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1.5x scale

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.