Home / 914,567.90-1,371,851.85-249,719.90

Finding the Fourth Proportional to 914,567.90, 1,371,851.85 and 249,719.90

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Solution

The fourth proportional to 914,567.90, 1,371,851.85 and 249,719.90 is: 374,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,567.90 : 1,371,851.85 = 249,719.90 : x
  2. Step 2: Convert to fraction form
    914,567.90/1,371,851.85 = 249,719.90/x
  3. Step 3: Cross multiply
    914,567.90x = 1,371,851.85 × 249,719.90
  4. Step 4: Simplify right side
    914,567.90x = 342,578,706,796.82
  5. Step 5: Solve for x
    x = 342,578,706,796.82/914,567.90
  6. Step 6: Final answer
    x = 374,579.85

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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.