Home / 806,985.80-1,207,368.30-527,049.80

Finding the Fourth Proportional to 806,985.80, 1,207,368.30 and 527,049.80

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Solution

The fourth proportional to 806,985.80, 1,207,368.30 and 527,049.80 is: 788,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,985.80 : 1,207,368.30 = 527,049.80 : x
  2. Step 2: Convert to fraction form
    806,985.80/1,207,368.30 = 527,049.80/x
  3. Step 3: Cross multiply
    806,985.80x = 1,207,368.30 × 527,049.80
  4. Step 4: Simplify right side
    806,985.80x = 636,343,221,041.34
  5. Step 5: Solve for x
    x = 636,343,221,041.34/806,985.80
  6. Step 6: Final answer
    x = 788,543.27

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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.