Home / 950,731.46-1,312,019.75-521,002.37

Finding the Fourth Proportional to 950,731.46, 1,312,019.75 and 521,002.37

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Solution

The fourth proportional to 950,731.46, 1,312,019.75 and 521,002.37 is: 718,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,731.46 : 1,312,019.75 = 521,002.37 : x
  2. Step 2: Convert to fraction form
    950,731.46/1,312,019.75 = 521,002.37/x
  3. Step 3: Cross multiply
    950,731.46x = 1,312,019.75 × 521,002.37
  4. Step 4: Simplify right side
    950,731.46x = 683,565,390,071.70
  5. Step 5: Solve for x
    x = 683,565,390,071.70/950,731.46
  6. Step 6: Final answer
    x = 718,988.93

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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.