Home / 877,194.84-1,210,504.86-495,257.16

Finding the Fourth Proportional to 877,194.84, 1,210,504.86 and 495,257.16

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Solution

The fourth proportional to 877,194.84, 1,210,504.86 and 495,257.16 is: 683,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,194.84 : 1,210,504.86 = 495,257.16 : x
  2. Step 2: Convert to fraction form
    877,194.84/1,210,504.86 = 495,257.16/x
  3. Step 3: Cross multiply
    877,194.84x = 1,210,504.86 × 495,257.16
  4. Step 4: Simplify right side
    877,194.84x = 599,511,199,129.80
  5. Step 5: Solve for x
    x = 599,511,199,129.80/877,194.84
  6. Step 6: Final answer
    x = 683,441.32

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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.