Home / 761,084.91-1,050,041.27-438,787.94

Finding the Fourth Proportional to 761,084.91, 1,050,041.27 and 438,787.94

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Solution

The fourth proportional to 761,084.91, 1,050,041.27 and 438,787.94 is: 605,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,084.91 : 1,050,041.27 = 438,787.94 : x
  2. Step 2: Convert to fraction form
    761,084.91/1,050,041.27 = 438,787.94/x
  3. Step 3: Cross multiply
    761,084.91x = 1,050,041.27 × 438,787.94
  4. Step 4: Simplify right side
    761,084.91x = 460,745,441,625.05
  5. Step 5: Solve for x
    x = 460,745,441,625.05/761,084.91
  6. Step 6: Final answer
    x = 605,379.81

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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.