Home / 760,403.46-1,049,340.90-416,230.95

Finding the Fourth Proportional to 760,403.46, 1,049,340.90 and 416,230.95

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Solution

The fourth proportional to 760,403.46, 1,049,340.90 and 416,230.95 is: 574,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,403.46 : 1,049,340.90 = 416,230.95 : x
  2. Step 2: Convert to fraction form
    760,403.46/1,049,340.90 = 416,230.95/x
  3. Step 3: Cross multiply
    760,403.46x = 1,049,340.90 × 416,230.95
  4. Step 4: Simplify right side
    760,403.46x = 436,768,159,680.86
  5. Step 5: Solve for x
    x = 436,768,159,680.86/760,403.46
  6. Step 6: Final answer
    x = 574,390.02

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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.