Home / 939,521.25-1,409,281.19-539,907.15

Finding the Fourth Proportional to 939,521.25, 1,409,281.19 and 539,907.15

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Solution

The fourth proportional to 939,521.25, 1,409,281.19 and 539,907.15 is: 809,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,521.25 : 1,409,281.19 = 539,907.15 : x
  2. Step 2: Convert to fraction form
    939,521.25/1,409,281.19 = 539,907.15/x
  3. Step 3: Cross multiply
    939,521.25x = 1,409,281.19 × 539,907.15
  4. Step 4: Simplify right side
    939,521.25x = 760,880,981,095.57
  5. Step 5: Solve for x
    x = 760,880,981,095.57/939,521.25
  6. Step 6: Final answer
    x = 809,860.32

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Double scale
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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.