Home / 564,112.71-778,486.06-346,212.18

Finding the Fourth Proportional to 564,112.71, 778,486.06 and 346,212.18

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Solution

The fourth proportional to 564,112.71, 778,486.06 and 346,212.18 is: 477,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,112.71 : 778,486.06 = 346,212.18 : x
  2. Step 2: Convert to fraction form
    564,112.71/778,486.06 = 346,212.18/x
  3. Step 3: Cross multiply
    564,112.71x = 778,486.06 × 346,212.18
  4. Step 4: Simplify right side
    564,112.71x = 269,521,355,932.21
  5. Step 5: Solve for x
    x = 269,521,355,932.21/564,112.71
  6. Step 6: Final answer
    x = 477,779.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.