Home / 626,834.25-865,031.27-358,562.25

Finding the Fourth Proportional to 626,834.25, 865,031.27 and 358,562.25

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Solution

The fourth proportional to 626,834.25, 865,031.27 and 358,562.25 is: 494,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,834.25 : 865,031.27 = 358,562.25 : x
  2. Step 2: Convert to fraction form
    626,834.25/865,031.27 = 358,562.25/x
  3. Step 3: Cross multiply
    626,834.25x = 865,031.27 × 358,562.25
  4. Step 4: Simplify right side
    626,834.25x = 310,167,556,698.75
  5. Step 5: Solve for x
    x = 310,167,556,698.75/626,834.25
  6. Step 6: Final answer
    x = 494,815.91

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1.5x scale

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.