Home / 690,502.76-1,035,048.29-465,885.98

Finding the Fourth Proportional to 690,502.76, 1,035,048.29 and 465,885.98

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Solution

The fourth proportional to 690,502.76, 1,035,048.29 and 465,885.98 is: 698,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,502.76 : 1,035,048.29 = 465,885.98 : x
  2. Step 2: Convert to fraction form
    690,502.76/1,035,048.29 = 465,885.98/x
  3. Step 3: Cross multiply
    690,502.76x = 1,035,048.29 × 465,885.98
  4. Step 4: Simplify right side
    690,502.76x = 482,214,479,429.30
  5. Step 5: Solve for x
    x = 482,214,479,429.30/690,502.76
  6. Step 6: Final answer
    x = 698,352.72

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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.