Home / 948,208.08-1,308,274.98-540,301.20

Finding the Fourth Proportional to 948,208.08, 1,308,274.98 and 540,301.20

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Solution

The fourth proportional to 948,208.08, 1,308,274.98 and 540,301.20 is: 745,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,208.08 : 1,308,274.98 = 540,301.20 : x
  2. Step 2: Convert to fraction form
    948,208.08/1,308,274.98 = 540,301.20/x
  3. Step 3: Cross multiply
    948,208.08x = 1,308,274.98 × 540,301.20
  4. Step 4: Simplify right side
    948,208.08x = 706,862,534,691.82
  5. Step 5: Solve for x
    x = 706,862,534,691.82/948,208.08
  6. Step 6: Final answer
    x = 745,471.96

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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.