Home / 583,639.18-805,284.94-354,191.34

Finding the Fourth Proportional to 583,639.18, 805,284.94 and 354,191.34

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Solution

The fourth proportional to 583,639.18, 805,284.94 and 354,191.34 is: 488,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,639.18 : 805,284.94 = 354,191.34 : x
  2. Step 2: Convert to fraction form
    583,639.18/805,284.94 = 354,191.34/x
  3. Step 3: Cross multiply
    583,639.18x = 805,284.94 × 354,191.34
  4. Step 4: Simplify right side
    583,639.18x = 285,224,952,514.01
  5. Step 5: Solve for x
    x = 285,224,952,514.01/583,639.18
  6. Step 6: Final answer
    x = 488,700.83

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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.