Home / 592,640.45-817,837.58-320,702.39

Finding the Fourth Proportional to 592,640.45, 817,837.58 and 320,702.39

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Solution

The fourth proportional to 592,640.45, 817,837.58 and 320,702.39 is: 442,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,640.45 : 817,837.58 = 320,702.39 : x
  2. Step 2: Convert to fraction form
    592,640.45/817,837.58 = 320,702.39/x
  3. Step 3: Cross multiply
    592,640.45x = 817,837.58 × 320,702.39
  4. Step 4: Simplify right side
    592,640.45x = 262,282,460,845.12
  5. Step 5: Solve for x
    x = 262,282,460,845.12/592,640.45
  6. Step 6: Final answer
    x = 442,565.92

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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.