Home / 641,582.45-963,619.24-472,434.74

Finding the Fourth Proportional to 641,582.45, 963,619.24 and 472,434.74

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Solution

The fourth proportional to 641,582.45, 963,619.24 and 472,434.74 is: 709,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,582.45 : 963,619.24 = 472,434.74 : x
  2. Step 2: Convert to fraction form
    641,582.45/963,619.24 = 472,434.74/x
  3. Step 3: Cross multiply
    641,582.45x = 963,619.24 × 472,434.74
  4. Step 4: Simplify right side
    641,582.45x = 455,247,207,597.37
  5. Step 5: Solve for x
    x = 455,247,207,597.37/641,582.45
  6. Step 6: Final answer
    x = 709,569.30

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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.