Home / 846,368.72-1,168,009.20-464,395.18

Finding the Fourth Proportional to 846,368.72, 1,168,009.20 and 464,395.18

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Solution

The fourth proportional to 846,368.72, 1,168,009.20 and 464,395.18 is: 640,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,368.72 : 1,168,009.20 = 464,395.18 : x
  2. Step 2: Convert to fraction form
    846,368.72/1,168,009.20 = 464,395.18/x
  3. Step 3: Cross multiply
    846,368.72x = 1,168,009.20 × 464,395.18
  4. Step 4: Simplify right side
    846,368.72x = 542,417,842,675.66
  5. Step 5: Solve for x
    x = 542,417,842,675.66/846,368.72
  6. Step 6: Final answer
    x = 640,876.52

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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.