Home / 418,333.81-577,088.12-273,224.61

Finding the Fourth Proportional to 418,333.81, 577,088.12 and 273,224.61

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Solution

The fourth proportional to 418,333.81, 577,088.12 and 273,224.61 is: 376,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,333.81 : 577,088.12 = 273,224.61 : x
  2. Step 2: Convert to fraction form
    418,333.81/577,088.12 = 273,224.61/x
  3. Step 3: Cross multiply
    418,333.81x = 577,088.12 × 273,224.61
  4. Step 4: Simplify right side
    418,333.81x = 157,674,672,271.07
  5. Step 5: Solve for x
    x = 157,674,672,271.07/418,333.81
  6. Step 6: Final answer
    x = 376,911.14

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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.