Home / 646,228.19-969,482.10-196,937.18

Finding the Fourth Proportional to 646,228.19, 969,482.10 and 196,937.18

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Solution

The fourth proportional to 646,228.19, 969,482.10 and 196,937.18 is: 295,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,228.19 : 969,482.10 = 196,937.18 : x
  2. Step 2: Convert to fraction form
    646,228.19/969,482.10 = 196,937.18/x
  3. Step 3: Cross multiply
    646,228.19x = 969,482.10 × 196,937.18
  4. Step 4: Simplify right side
    646,228.19x = 190,927,070,834.48
  5. Step 5: Solve for x
    x = 190,927,070,834.48/646,228.19
  6. Step 6: Final answer
    x = 295,448.38

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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.