Home / 908,042.04-1,253,106.50-500,145.39

Finding the Fourth Proportional to 908,042.04, 1,253,106.50 and 500,145.39

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Solution

The fourth proportional to 908,042.04, 1,253,106.50 and 500,145.39 is: 690,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,042.04 : 1,253,106.50 = 500,145.39 : x
  2. Step 2: Convert to fraction form
    908,042.04/1,253,106.50 = 500,145.39/x
  3. Step 3: Cross multiply
    908,042.04x = 1,253,106.50 × 500,145.39
  4. Step 4: Simplify right side
    908,042.04x = 626,735,436,653.31
  5. Step 5: Solve for x
    x = 626,735,436,653.31/908,042.04
  6. Step 6: Final answer
    x = 690,205.31

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Double scale
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Similar ratio
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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.