Home / 495,622.80-743,434.20-470,034.90

Finding the Fourth Proportional to 495,622.80, 743,434.20 and 470,034.90

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Solution

The fourth proportional to 495,622.80, 743,434.20 and 470,034.90 is: 705,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,622.80 : 743,434.20 = 470,034.90 : x
  2. Step 2: Convert to fraction form
    495,622.80/743,434.20 = 470,034.90/x
  3. Step 3: Cross multiply
    495,622.80x = 743,434.20 × 470,034.90
  4. Step 4: Simplify right side
    495,622.80x = 349,440,019,853.58
  5. Step 5: Solve for x
    x = 349,440,019,853.58/495,622.80
  6. Step 6: Final answer
    x = 705,052.35

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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.