Home / 698,696.80-1,048,045.20-249,632.80

Finding the Fourth Proportional to 698,696.80, 1,048,045.20 and 249,632.80

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Solution

The fourth proportional to 698,696.80, 1,048,045.20 and 249,632.80 is: 374,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,696.80 : 1,048,045.20 = 249,632.80 : x
  2. Step 2: Convert to fraction form
    698,696.80/1,048,045.20 = 249,632.80/x
  3. Step 3: Cross multiply
    698,696.80x = 1,048,045.20 × 249,632.80
  4. Step 4: Simplify right side
    698,696.80x = 261,626,457,802.56
  5. Step 5: Solve for x
    x = 261,626,457,802.56/698,696.80
  6. Step 6: Final answer
    x = 374,449.20

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Double scale
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Similar ratio
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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.