Home / 487,767.48-673,145.30-272,894.76

Finding the Fourth Proportional to 487,767.48, 673,145.30 and 272,894.76

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Solution

The fourth proportional to 487,767.48, 673,145.30 and 272,894.76 is: 376,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,767.48 : 673,145.30 = 272,894.76 : x
  2. Step 2: Convert to fraction form
    487,767.48/673,145.30 = 272,894.76/x
  3. Step 3: Cross multiply
    487,767.48x = 673,145.30 × 272,894.76
  4. Step 4: Simplify right side
    487,767.48x = 183,697,825,088.63
  5. Step 5: Solve for x
    x = 183,697,825,088.63/487,767.48
  6. Step 6: Final answer
    x = 376,609.41

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1.5x scale

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.