Home / 948,687.03-1,309,259.13-540,798.57

Finding the Fourth Proportional to 948,687.03, 1,309,259.13 and 540,798.57

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Solution

The fourth proportional to 948,687.03, 1,309,259.13 and 540,798.57 is: 746,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,687.03 : 1,309,259.13 = 540,798.57 : x
  2. Step 2: Convert to fraction form
    948,687.03/1,309,259.13 = 540,798.57/x
  3. Step 3: Cross multiply
    948,687.03x = 1,309,259.13 × 540,798.57
  4. Step 4: Simplify right side
    948,687.03x = 708,045,465,263.44
  5. Step 5: Solve for x
    x = 708,045,465,263.44/948,687.03
  6. Step 6: Final answer
    x = 746,342.52

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Double scale
Find fourth proportional to 948,688.03, 1,309,260.51 and 540,799.57
Similar ratio
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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.