Home / 805,817.80-1,208,726.70-525,651.40

Finding the Fourth Proportional to 805,817.80, 1,208,726.70 and 525,651.40

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Solution

The fourth proportional to 805,817.80, 1,208,726.70 and 525,651.40 is: 788,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,817.80 : 1,208,726.70 = 525,651.40 : x
  2. Step 2: Convert to fraction form
    805,817.80/1,208,726.70 = 525,651.40/x
  3. Step 3: Cross multiply
    805,817.80x = 1,208,726.70 × 525,651.40
  4. Step 4: Simplify right side
    805,817.80x = 635,368,882,072.38
  5. Step 5: Solve for x
    x = 635,368,882,072.38/805,817.80
  6. Step 6: Final answer
    x = 788,477.10

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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.