Home / 1,328,705.16-1,990,060.92-617,235.92

Finding the Fourth Proportional to 1,328,705.16, 1,990,060.92 and 617,235.92

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Solution

The fourth proportional to 1,328,705.16, 1,990,060.92 and 617,235.92 is: 924,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,705.16 : 1,990,060.92 = 617,235.92 : x
  2. Step 2: Convert to fraction form
    1,328,705.16/1,990,060.92 = 617,235.92/x
  3. Step 3: Cross multiply
    1,328,705.16x = 1,990,060.92 × 617,235.92
  4. Step 4: Simplify right side
    1,328,705.16x = 1,228,337,082,812.25
  5. Step 5: Solve for x
    x = 1,228,337,082,812.25/1,328,705.16
  6. Step 6: Final answer
    x = 924,461.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.