Home / 1,771,412.80-2,657,119.20-707,218.60

Finding the Fourth Proportional to 1,771,412.80, 2,657,119.20 and 707,218.60

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Solution

The fourth proportional to 1,771,412.80, 2,657,119.20 and 707,218.60 is: 1,060,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,412.80 : 2,657,119.20 = 707,218.60 : x
  2. Step 2: Convert to fraction form
    1,771,412.80/2,657,119.20 = 707,218.60/x
  3. Step 3: Cross multiply
    1,771,412.80x = 2,657,119.20 × 707,218.60
  4. Step 4: Simplify right side
    1,771,412.80x = 1,879,164,120,657.12
  5. Step 5: Solve for x
    x = 1,879,164,120,657.12/1,771,412.80
  6. Step 6: Final answer
    x = 1,060,827.90

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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.