Home / 760,549.37-1,049,558.43-416,407.61

Finding the Fourth Proportional to 760,549.37, 1,049,558.43 and 416,407.61

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Solution

The fourth proportional to 760,549.37, 1,049,558.43 and 416,407.61 is: 574,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,549.37 : 1,049,558.43 = 416,407.61 : x
  2. Step 2: Convert to fraction form
    760,549.37/1,049,558.43 = 416,407.61/x
  3. Step 3: Cross multiply
    760,549.37x = 1,049,558.43 × 416,407.61
  4. Step 4: Simplify right side
    760,549.37x = 437,044,112,143.86
  5. Step 5: Solve for x
    x = 437,044,112,143.86/760,549.37
  6. Step 6: Final answer
    x = 574,642.66

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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.