Home / 910,721.80-1,364,916.30-699,311.80

Finding the Fourth Proportional to 910,721.80, 1,364,916.30 and 699,311.80

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Solution

The fourth proportional to 910,721.80, 1,364,916.30 and 699,311.80 is: 1,048,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,721.80 : 1,364,916.30 = 699,311.80 : x
  2. Step 2: Convert to fraction form
    910,721.80/1,364,916.30 = 699,311.80/x
  3. Step 3: Cross multiply
    910,721.80x = 1,364,916.30 × 699,311.80
  4. Step 4: Simplify right side
    910,721.80x = 954,502,074,602.34
  5. Step 5: Solve for x
    x = 954,502,074,602.34/910,721.80
  6. Step 6: Final answer
    x = 1,048,072.06

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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.