Home / 824,941.80-1,237,412.70-734,740.20

Finding the Fourth Proportional to 824,941.80, 1,237,412.70 and 734,740.20

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Solution

The fourth proportional to 824,941.80, 1,237,412.70 and 734,740.20 is: 1,102,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,941.80 : 1,237,412.70 = 734,740.20 : x
  2. Step 2: Convert to fraction form
    824,941.80/1,237,412.70 = 734,740.20/x
  3. Step 3: Cross multiply
    824,941.80x = 1,237,412.70 × 734,740.20
  4. Step 4: Simplify right side
    824,941.80x = 909,176,854,680.54
  5. Step 5: Solve for x
    x = 909,176,854,680.54/824,941.80
  6. Step 6: Final answer
    x = 1,102,110.30

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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.