Home / 1,736,145.40-2,604,218.10-1,098,416.20

Finding the Fourth Proportional to 1,736,145.40, 2,604,218.10 and 1,098,416.20

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Solution

The fourth proportional to 1,736,145.40, 2,604,218.10 and 1,098,416.20 is: 1,647,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,145.40 : 2,604,218.10 = 1,098,416.20 : x
  2. Step 2: Convert to fraction form
    1,736,145.40/2,604,218.10 = 1,098,416.20/x
  3. Step 3: Cross multiply
    1,736,145.40x = 2,604,218.10 × 1,098,416.20
  4. Step 4: Simplify right side
    1,736,145.40x = 2,860,515,349,373.22
  5. Step 5: Solve for x
    x = 2,860,515,349,373.22/1,736,145.40
  6. Step 6: Final answer
    x = 1,647,624.30

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Double scale
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Similar ratio
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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.