Home / 586,341.12-879,548.16-212,367.36

Finding the Fourth Proportional to 586,341.12, 879,548.16 and 212,367.36

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Solution

The fourth proportional to 586,341.12, 879,548.16 and 212,367.36 is: 318,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,341.12 : 879,548.16 = 212,367.36 : x
  2. Step 2: Convert to fraction form
    586,341.12/879,548.16 = 212,367.36/x
  3. Step 3: Cross multiply
    586,341.12x = 879,548.16 × 212,367.36
  4. Step 4: Simplify right side
    586,341.12x = 186,787,320,732.06
  5. Step 5: Solve for x
    x = 186,787,320,732.06/586,341.12
  6. Step 6: Final answer
    x = 318,564.25

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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.