Home / 587,895.05-811,271.54-346,187.81

Finding the Fourth Proportional to 587,895.05, 811,271.54 and 346,187.81

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Solution

The fourth proportional to 587,895.05, 811,271.54 and 346,187.81 is: 477,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,895.05 : 811,271.54 = 346,187.81 : x
  2. Step 2: Convert to fraction form
    587,895.05/811,271.54 = 346,187.81/x
  3. Step 3: Cross multiply
    587,895.05x = 811,271.54 × 346,187.81
  4. Step 4: Simplify right side
    587,895.05x = 280,852,311,960.63
  5. Step 5: Solve for x
    x = 280,852,311,960.63/587,895.05
  6. Step 6: Final answer
    x = 477,725.26

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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.