Home / 585,865.72-808,444.36-340,895.80

Finding the Fourth Proportional to 585,865.72, 808,444.36 and 340,895.80

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Solution

The fourth proportional to 585,865.72, 808,444.36 and 340,895.80 is: 470,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,865.72 : 808,444.36 = 340,895.80 : x
  2. Step 2: Convert to fraction form
    585,865.72/808,444.36 = 340,895.80/x
  3. Step 3: Cross multiply
    585,865.72x = 808,444.36 × 340,895.80
  4. Step 4: Simplify right side
    585,865.72x = 275,595,286,857.69
  5. Step 5: Solve for x
    x = 275,595,286,857.69/585,865.72
  6. Step 6: Final answer
    x = 470,406.92

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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.