Home / 731,870.80-1,097,806.20-358,622.80

Finding the Fourth Proportional to 731,870.80, 1,097,806.20 and 358,622.80

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Solution

The fourth proportional to 731,870.80, 1,097,806.20 and 358,622.80 is: 537,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,870.80 : 1,097,806.20 = 358,622.80 : x
  2. Step 2: Convert to fraction form
    731,870.80/1,097,806.20 = 358,622.80/x
  3. Step 3: Cross multiply
    731,870.80x = 1,097,806.20 × 358,622.80
  4. Step 4: Simplify right side
    731,870.80x = 393,698,333,301.36
  5. Step 5: Solve for x
    x = 393,698,333,301.36/731,870.80
  6. Step 6: Final answer
    x = 537,934.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.