Home / 798,156.90-1,101,479.87-435,604.05

Finding the Fourth Proportional to 798,156.90, 1,101,479.87 and 435,604.05

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Solution

The fourth proportional to 798,156.90, 1,101,479.87 and 435,604.05 is: 601,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,156.90 : 1,101,479.87 = 435,604.05 : x
  2. Step 2: Convert to fraction form
    798,156.90/1,101,479.87 = 435,604.05/x
  3. Step 3: Cross multiply
    798,156.90x = 1,101,479.87 × 435,604.05
  4. Step 4: Simplify right side
    798,156.90x = 479,809,090,187.45
  5. Step 5: Solve for x
    x = 479,809,090,187.45/798,156.90
  6. Step 6: Final answer
    x = 601,146.33

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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.