Home / 966,155.80-1,449,233.70-434,714.80

Finding the Fourth Proportional to 966,155.80, 1,449,233.70 and 434,714.80

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Solution

The fourth proportional to 966,155.80, 1,449,233.70 and 434,714.80 is: 652,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,155.80 : 1,449,233.70 = 434,714.80 : x
  2. Step 2: Convert to fraction form
    966,155.80/1,449,233.70 = 434,714.80/x
  3. Step 3: Cross multiply
    966,155.80x = 1,449,233.70 × 434,714.80
  4. Step 4: Simplify right side
    966,155.80x = 630,003,338,048.76
  5. Step 5: Solve for x
    x = 630,003,338,048.76/966,155.80
  6. Step 6: Final answer
    x = 652,072.20

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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.