Home / 692,218.32-955,259.40-386,291.52

Finding the Fourth Proportional to 692,218.32, 955,259.40 and 386,291.52

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Solution

The fourth proportional to 692,218.32, 955,259.40 and 386,291.52 is: 533,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,218.32 : 955,259.40 = 386,291.52 : x
  2. Step 2: Convert to fraction form
    692,218.32/955,259.40 = 386,291.52/x
  3. Step 3: Cross multiply
    692,218.32x = 955,259.40 × 386,291.52
  4. Step 4: Simplify right side
    692,218.32x = 369,008,605,620.29
  5. Step 5: Solve for x
    x = 369,008,605,620.29/692,218.32
  6. Step 6: Final answer
    x = 533,081.25

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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.