Home / 806,488.40-1,210,121.40-569,320.40

Finding the Fourth Proportional to 806,488.40, 1,210,121.40 and 569,320.40

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Solution

The fourth proportional to 806,488.40, 1,210,121.40 and 569,320.40 is: 854,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,488.40 : 1,210,121.40 = 569,320.40 : x
  2. Step 2: Convert to fraction form
    806,488.40/1,210,121.40 = 569,320.40/x
  3. Step 3: Cross multiply
    806,488.40x = 1,210,121.40 × 569,320.40
  4. Step 4: Simplify right side
    806,488.40x = 688,946,799,496.56
  5. Step 5: Solve for x
    x = 688,946,799,496.56/806,488.40
  6. Step 6: Final answer
    x = 854,255.06

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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.