Home / 495,623.80-743,435.70-470,035.90

Finding the Fourth Proportional to 495,623.80, 743,435.70 and 470,035.90

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Solution

The fourth proportional to 495,623.80, 743,435.70 and 470,035.90 is: 705,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,623.80 : 743,435.70 = 470,035.90 : x
  2. Step 2: Convert to fraction form
    495,623.80/743,435.70 = 470,035.90/x
  3. Step 3: Cross multiply
    495,623.80x = 743,435.70 × 470,035.90
  4. Step 4: Simplify right side
    495,623.80x = 349,441,468,341.63
  5. Step 5: Solve for x
    x = 349,441,468,341.63/495,623.80
  6. Step 6: Final answer
    x = 705,053.85

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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.