Home / 626,835.13-865,032.47-358,563.13

Finding the Fourth Proportional to 626,835.13, 865,032.47 and 358,563.13

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Solution

The fourth proportional to 626,835.13, 865,032.47 and 358,563.13 is: 494,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,835.13 : 865,032.47 = 358,563.13 : x
  2. Step 2: Convert to fraction form
    626,835.13/865,032.47 = 358,563.13/x
  3. Step 3: Cross multiply
    626,835.13x = 865,032.47 × 358,563.13
  4. Step 4: Simplify right side
    626,835.13x = 310,168,749,994.83
  5. Step 5: Solve for x
    x = 310,168,749,994.83/626,835.13
  6. Step 6: Final answer
    x = 494,817.11

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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.