Home / 1,177,686.90-1,766,530.35-291,222.90

Finding the Fourth Proportional to 1,177,686.90, 1,766,530.35 and 291,222.90

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Solution

The fourth proportional to 1,177,686.90, 1,766,530.35 and 291,222.90 is: 436,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,686.90 : 1,766,530.35 = 291,222.90 : x
  2. Step 2: Convert to fraction form
    1,177,686.90/1,766,530.35 = 291,222.90/x
  3. Step 3: Cross multiply
    1,177,686.90x = 1,766,530.35 × 291,222.90
  4. Step 4: Simplify right side
    1,177,686.90x = 514,454,091,465.02
  5. Step 5: Solve for x
    x = 514,454,091,465.02/1,177,686.90
  6. Step 6: Final answer
    x = 436,834.35

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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.