Home / 813,888.86-1,220,583.69-562,782.86

Finding the Fourth Proportional to 813,888.86, 1,220,583.69 and 562,782.86

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Solution

The fourth proportional to 813,888.86, 1,220,583.69 and 562,782.86 is: 844,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,888.86 : 1,220,583.69 = 562,782.86 : x
  2. Step 2: Convert to fraction form
    813,888.86/1,220,583.69 = 562,782.86/x
  3. Step 3: Cross multiply
    813,888.86x = 1,220,583.69 × 562,782.86
  4. Step 4: Simplify right side
    813,888.86x = 686,923,579,927.55
  5. Step 5: Solve for x
    x = 686,923,579,927.55/813,888.86
  6. Step 6: Final answer
    x = 844,001.70

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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.