Home / 760,474.95-1,049,446.42-416,306.76

Finding the Fourth Proportional to 760,474.95, 1,049,446.42 and 416,306.76

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Solution

The fourth proportional to 760,474.95, 1,049,446.42 and 416,306.76 is: 574,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,474.95 : 1,049,446.42 = 416,306.76 : x
  2. Step 2: Convert to fraction form
    760,474.95/1,049,446.42 = 416,306.76/x
  3. Step 3: Cross multiply
    760,474.95x = 1,049,446.42 × 416,306.76
  4. Step 4: Simplify right side
    760,474.95x = 436,891,638,903.80
  5. Step 5: Solve for x
    x = 436,891,638,903.80/760,474.95
  6. Step 6: Final answer
    x = 574,498.40

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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.