Home / 1,158,194.40-1,736,830.80-409,855.20

Finding the Fourth Proportional to 1,158,194.40, 1,736,830.80 and 409,855.20

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Solution

The fourth proportional to 1,158,194.40, 1,736,830.80 and 409,855.20 is: 614,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,194.40 : 1,736,830.80 = 409,855.20 : x
  2. Step 2: Convert to fraction form
    1,158,194.40/1,736,830.80 = 409,855.20/x
  3. Step 3: Cross multiply
    1,158,194.40x = 1,736,830.80 × 409,855.20
  4. Step 4: Simplify right side
    1,158,194.40x = 711,849,134,900.16
  5. Step 5: Solve for x
    x = 711,849,134,900.16/1,158,194.40
  6. Step 6: Final answer
    x = 614,619.73

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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.