Home / 662,937.79-914,829.96-405,246.32

Finding the Fourth Proportional to 662,937.79, 914,829.96 and 405,246.32

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Solution

The fourth proportional to 662,937.79, 914,829.96 and 405,246.32 is: 559,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,937.79 : 914,829.96 = 405,246.32 : x
  2. Step 2: Convert to fraction form
    662,937.79/914,829.96 = 405,246.32/x
  3. Step 3: Cross multiply
    662,937.79x = 914,829.96 × 405,246.32
  4. Step 4: Simplify right side
    662,937.79x = 370,731,470,809.29
  5. Step 5: Solve for x
    x = 370,731,470,809.29/662,937.79
  6. Step 6: Final answer
    x = 559,225.13

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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.