Home / 348,332.20-521,807.10-200,415.40

Finding the Fourth Proportional to 348,332.20, 521,807.10 and 200,415.40

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Solution

The fourth proportional to 348,332.20, 521,807.10 and 200,415.40 is: 300,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,332.20 : 521,807.10 = 200,415.40 : x
  2. Step 2: Convert to fraction form
    348,332.20/521,807.10 = 200,415.40/x
  3. Step 3: Cross multiply
    348,332.20x = 521,807.10 × 200,415.40
  4. Step 4: Simplify right side
    348,332.20x = 104,578,178,669.34
  5. Step 5: Solve for x
    x = 104,578,178,669.34/348,332.20
  6. Step 6: Final answer
    x = 300,225.41

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1.5x scale

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.