Home / 619,019.69-928,663.16-192,547.40

Finding the Fourth Proportional to 619,019.69, 928,663.16 and 192,547.40

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Solution

The fourth proportional to 619,019.69, 928,663.16 and 192,547.40 is: 288,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,019.69 : 928,663.16 = 192,547.40 : x
  2. Step 2: Convert to fraction form
    619,019.69/928,663.16 = 192,547.40/x
  3. Step 3: Cross multiply
    619,019.69x = 928,663.16 × 192,547.40
  4. Step 4: Simplify right side
    619,019.69x = 178,811,671,327.73
  5. Step 5: Solve for x
    x = 178,811,671,327.73/619,019.69
  6. Step 6: Final answer
    x = 288,862.66

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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.