Home / 834,315.55-1,151,378.13-471,793.65

Finding the Fourth Proportional to 834,315.55, 1,151,378.13 and 471,793.65

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Solution

The fourth proportional to 834,315.55, 1,151,378.13 and 471,793.65 is: 651,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,315.55 : 1,151,378.13 = 471,793.65 : x
  2. Step 2: Convert to fraction form
    834,315.55/1,151,378.13 = 471,793.65/x
  3. Step 3: Cross multiply
    834,315.55x = 1,151,378.13 × 471,793.65
  4. Step 4: Simplify right side
    834,315.55x = 543,212,890,482.87
  5. Step 5: Solve for x
    x = 543,212,890,482.87/834,315.55
  6. Step 6: Final answer
    x = 651,088.06

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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.