Home / 914,052-1,261,376.26-506,145.12

Finding the Fourth Proportional to 914,052, 1,261,376.26 and 506,145.12

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Solution

The fourth proportional to 914,052, 1,261,376.26 and 506,145.12 is: 698,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,052 : 1,261,376.26 = 506,145.12 : x
  2. Step 2: Convert to fraction form
    914,052/1,261,376.26 = 506,145.12/x
  3. Step 3: Cross multiply
    914,052x = 1,261,376.26 × 506,145.12
  4. Step 4: Simplify right side
    914,052x = 638,439,438,482.85
  5. Step 5: Solve for x
    x = 638,439,438,482.85/914,052
  6. Step 6: Final answer
    x = 698,471.68

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Double scale
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Similar ratio
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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.