Home / 623,638.19-860,620.77-337,158.20

Finding the Fourth Proportional to 623,638.19, 860,620.77 and 337,158.20

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Solution

The fourth proportional to 623,638.19, 860,620.77 and 337,158.20 is: 465,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,638.19 : 860,620.77 = 337,158.20 : x
  2. Step 2: Convert to fraction form
    623,638.19/860,620.77 = 337,158.20/x
  3. Step 3: Cross multiply
    623,638.19x = 860,620.77 × 337,158.20
  4. Step 4: Simplify right side
    623,638.19x = 290,165,345,392.71
  5. Step 5: Solve for x
    x = 290,165,345,392.71/623,638.19
  6. Step 6: Final answer
    x = 465,278.35

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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.