Home / 583,642.18-805,289.08-354,194.34

Finding the Fourth Proportional to 583,642.18, 805,289.08 and 354,194.34

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Solution

The fourth proportional to 583,642.18, 805,289.08 and 354,194.34 is: 488,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,642.18 : 805,289.08 = 354,194.34 : x
  2. Step 2: Convert to fraction form
    583,642.18/805,289.08 = 354,194.34/x
  3. Step 3: Cross multiply
    583,642.18x = 805,289.08 × 354,194.34
  4. Step 4: Simplify right side
    583,642.18x = 285,228,834,199.81
  5. Step 5: Solve for x
    x = 285,228,834,199.81/583,642.18
  6. Step 6: Final answer
    x = 488,704.97

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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.