Home / 592,431.48-817,551.72-320,498.28

Finding the Fourth Proportional to 592,431.48, 817,551.72 and 320,498.28

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Solution

The fourth proportional to 592,431.48, 817,551.72 and 320,498.28 is: 442,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,431.48 : 817,551.72 = 320,498.28 : x
  2. Step 2: Convert to fraction form
    592,431.48/817,551.72 = 320,498.28/x
  3. Step 3: Cross multiply
    592,431.48x = 817,551.72 × 320,498.28
  4. Step 4: Simplify right side
    592,431.48x = 262,023,920,071.04
  5. Step 5: Solve for x
    x = 262,023,920,071.04/592,431.48
  6. Step 6: Final answer
    x = 442,285.61

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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.