Home / 979,501.30-1,351,666.31-543,946.27

Finding the Fourth Proportional to 979,501.30, 1,351,666.31 and 543,946.27

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Solution

The fourth proportional to 979,501.30, 1,351,666.31 and 543,946.27 is: 750,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,501.30 : 1,351,666.31 = 543,946.27 : x
  2. Step 2: Convert to fraction form
    979,501.30/1,351,666.31 = 543,946.27/x
  3. Step 3: Cross multiply
    979,501.30x = 1,351,666.31 × 543,946.27
  4. Step 4: Simplify right side
    979,501.30x = 735,233,854,336.53
  5. Step 5: Solve for x
    x = 735,233,854,336.53/979,501.30
  6. Step 6: Final answer
    x = 750,620.60

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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.