Home / 648,440.08-894,843.80-376,574.72

Finding the Fourth Proportional to 648,440.08, 894,843.80 and 376,574.72

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Solution

The fourth proportional to 648,440.08, 894,843.80 and 376,574.72 is: 519,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,440.08 : 894,843.80 = 376,574.72 : x
  2. Step 2: Convert to fraction form
    648,440.08/894,843.80 = 376,574.72/x
  3. Step 3: Cross multiply
    648,440.08x = 894,843.80 × 376,574.72
  4. Step 4: Simplify right side
    648,440.08x = 336,975,553,428.74
  5. Step 5: Solve for x
    x = 336,975,553,428.74/648,440.08
  6. Step 6: Final answer
    x = 519,671.07

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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.