Home / 1,109,170.80-1,663,750.80-434,775.60

Finding the Fourth Proportional to 1,109,170.80, 1,663,750.80 and 434,775.60

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Solution

The fourth proportional to 1,109,170.80, 1,663,750.80 and 434,775.60 is: 652,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,170.80 : 1,663,750.80 = 434,775.60 : x
  2. Step 2: Convert to fraction form
    1,109,170.80/1,663,750.80 = 434,775.60/x
  3. Step 3: Cross multiply
    1,109,170.80x = 1,663,750.80 × 434,775.60
  4. Step 4: Simplify right side
    1,109,170.80x = 723,358,252,320.48
  5. Step 5: Solve for x
    x = 723,358,252,320.48/1,109,170.80
  6. Step 6: Final answer
    x = 652,161.28

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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.