Home / 1,235,586.80-1,851,411.90-916,722.20

Finding the Fourth Proportional to 1,235,586.80, 1,851,411.90 and 916,722.20

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Solution

The fourth proportional to 1,235,586.80, 1,851,411.90 and 916,722.20 is: 1,373,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,586.80 : 1,851,411.90 = 916,722.20 : x
  2. Step 2: Convert to fraction form
    1,235,586.80/1,851,411.90 = 916,722.20/x
  3. Step 3: Cross multiply
    1,235,586.80x = 1,851,411.90 × 916,722.20
  4. Step 4: Simplify right side
    1,235,586.80x = 1,697,230,390,074.18
  5. Step 5: Solve for x
    x = 1,697,230,390,074.18/1,235,586.80
  6. Step 6: Final answer
    x = 1,373,622.95

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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.