Home / 1,117,889.12-1,677,216.42-477,929.18

Finding the Fourth Proportional to 1,117,889.12, 1,677,216.42 and 477,929.18

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Solution

The fourth proportional to 1,117,889.12, 1,677,216.42 and 477,929.18 is: 717,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,889.12 : 1,677,216.42 = 477,929.18 : x
  2. Step 2: Convert to fraction form
    1,117,889.12/1,677,216.42 = 477,929.18/x
  3. Step 3: Cross multiply
    1,117,889.12x = 1,677,216.42 × 477,929.18
  4. Step 4: Simplify right side
    1,117,889.12x = 801,590,672,486.18
  5. Step 5: Solve for x
    x = 801,590,672,486.18/1,117,889.12
  6. Step 6: Final answer
    x = 717,057.40

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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.