Home / 473,979.49-654,099.48-283,009.57

Finding the Fourth Proportional to 473,979.49, 654,099.48 and 283,009.57

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Solution

The fourth proportional to 473,979.49, 654,099.48 and 283,009.57 is: 390,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,979.49 : 654,099.48 = 283,009.57 : x
  2. Step 2: Convert to fraction form
    473,979.49/654,099.48 = 283,009.57/x
  3. Step 3: Cross multiply
    473,979.49x = 654,099.48 × 283,009.57
  4. Step 4: Simplify right side
    473,979.49x = 185,116,411,156.98
  5. Step 5: Solve for x
    x = 185,116,411,156.98/473,979.49
  6. Step 6: Final answer
    x = 390,557.85

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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.