Home / 804,955.30-1,207,432.95-525,019.30

Finding the Fourth Proportional to 804,955.30, 1,207,432.95 and 525,019.30

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Solution

The fourth proportional to 804,955.30, 1,207,432.95 and 525,019.30 is: 787,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,955.30 : 1,207,432.95 = 525,019.30 : x
  2. Step 2: Convert to fraction form
    804,955.30/1,207,432.95 = 525,019.30/x
  3. Step 3: Cross multiply
    804,955.30x = 1,207,432.95 × 525,019.30
  4. Step 4: Simplify right side
    804,955.30x = 633,925,602,205.94
  5. Step 5: Solve for x
    x = 633,925,602,205.94/804,955.30
  6. Step 6: Final answer
    x = 787,528.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.