Home / 698,725.35-1,048,309.47-249,436.28

Finding the Fourth Proportional to 698,725.35, 1,048,309.47 and 249,436.28

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Solution

The fourth proportional to 698,725.35, 1,048,309.47 and 249,436.28 is: 374,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,725.35 : 1,048,309.47 = 249,436.28 : x
  2. Step 2: Convert to fraction form
    698,725.35/1,048,309.47 = 249,436.28/x
  3. Step 3: Cross multiply
    698,725.35x = 1,048,309.47 × 249,436.28
  4. Step 4: Simplify right side
    698,725.35x = 261,486,409,244.02
  5. Step 5: Solve for x
    x = 261,486,409,244.02/698,725.35
  6. Step 6: Final answer
    x = 374,233.47

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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.