Home / 1,569,101.90-2,353,652.85-771,940.40

Finding the Fourth Proportional to 1,569,101.90, 2,353,652.85 and 771,940.40

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Solution

The fourth proportional to 1,569,101.90, 2,353,652.85 and 771,940.40 is: 1,157,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,101.90 : 2,353,652.85 = 771,940.40 : x
  2. Step 2: Convert to fraction form
    1,569,101.90/2,353,652.85 = 771,940.40/x
  3. Step 3: Cross multiply
    1,569,101.90x = 2,353,652.85 × 771,940.40
  4. Step 4: Simplify right side
    1,569,101.90x = 1,816,879,722,490.14
  5. Step 5: Solve for x
    x = 1,816,879,722,490.14/1,569,101.90
  6. Step 6: Final answer
    x = 1,157,910.60

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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.