Home / 472,834.30-652,509.12-257,973.70

Finding the Fourth Proportional to 472,834.30, 652,509.12 and 257,973.70

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Solution

The fourth proportional to 472,834.30, 652,509.12 and 257,973.70 is: 356,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,834.30 : 652,509.12 = 257,973.70 : x
  2. Step 2: Convert to fraction form
    472,834.30/652,509.12 = 257,973.70/x
  3. Step 3: Cross multiply
    472,834.30x = 652,509.12 × 257,973.70
  4. Step 4: Simplify right side
    472,834.30x = 168,330,191,970.14
  5. Step 5: Solve for x
    x = 168,330,191,970.14/472,834.30
  6. Step 6: Final answer
    x = 356,002.50

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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.