Home / 865,045.41-1,193,796.45-477,880.80

Finding the Fourth Proportional to 865,045.41, 1,193,796.45 and 477,880.80

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Solution

The fourth proportional to 865,045.41, 1,193,796.45 and 477,880.80 is: 659,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,045.41 : 1,193,796.45 = 477,880.80 : x
  2. Step 2: Convert to fraction form
    865,045.41/1,193,796.45 = 477,880.80/x
  3. Step 3: Cross multiply
    865,045.41x = 1,193,796.45 × 477,880.80
  4. Step 4: Simplify right side
    865,045.41x = 570,492,402,563.16
  5. Step 5: Solve for x
    x = 570,492,402,563.16/865,045.41
  6. Step 6: Final answer
    x = 659,494.17

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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.