Home / 539,111.46-743,971.73-297,409.08

Finding the Fourth Proportional to 539,111.46, 743,971.73 and 297,409.08

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Solution

The fourth proportional to 539,111.46, 743,971.73 and 297,409.08 is: 410,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,111.46 : 743,971.73 = 297,409.08 : x
  2. Step 2: Convert to fraction form
    539,111.46/743,971.73 = 297,409.08/x
  3. Step 3: Cross multiply
    539,111.46x = 743,971.73 × 297,409.08
  4. Step 4: Simplify right side
    539,111.46x = 221,263,946,278.26
  5. Step 5: Solve for x
    x = 221,263,946,278.26/539,111.46
  6. Step 6: Final answer
    x = 410,423.38

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Double scale
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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.