Home / 658,016.96-907,907.78-382,210.93

Finding the Fourth Proportional to 658,016.96, 907,907.78 and 382,210.93

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Solution

The fourth proportional to 658,016.96, 907,907.78 and 382,210.93 is: 527,360.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,016.96 : 907,907.78 = 382,210.93 : x
  2. Step 2: Convert to fraction form
    658,016.96/907,907.78 = 382,210.93/x
  3. Step 3: Cross multiply
    658,016.96x = 907,907.78 × 382,210.93
  4. Step 4: Simplify right side
    658,016.96x = 347,012,276,948.04
  5. Step 5: Solve for x
    x = 347,012,276,948.04/658,016.96
  6. Step 6: Final answer
    x = 527,360.69

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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.