Home / 679,154.32-937,238.52-424,653.04

Finding the Fourth Proportional to 679,154.32, 937,238.52 and 424,653.04

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Solution

The fourth proportional to 679,154.32, 937,238.52 and 424,653.04 is: 586,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,154.32 : 937,238.52 = 424,653.04 : x
  2. Step 2: Convert to fraction form
    679,154.32/937,238.52 = 424,653.04/x
  3. Step 3: Cross multiply
    679,154.32x = 937,238.52 × 424,653.04
  4. Step 4: Simplify right side
    679,154.32x = 398,001,186,723.10
  5. Step 5: Solve for x
    x = 398,001,186,723.10/679,154.32
  6. Step 6: Final answer
    x = 586,024.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.