Home / 464,389.14-640,927.06-283,206.17

Finding the Fourth Proportional to 464,389.14, 640,927.06 and 283,206.17

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Solution

The fourth proportional to 464,389.14, 640,927.06 and 283,206.17 is: 390,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,389.14 : 640,927.06 = 283,206.17 : x
  2. Step 2: Convert to fraction form
    464,389.14/640,927.06 = 283,206.17/x
  3. Step 3: Cross multiply
    464,389.14x = 640,927.06 × 283,206.17
  4. Step 4: Simplify right side
    464,389.14x = 181,514,493,291.29
  5. Step 5: Solve for x
    x = 181,514,493,291.29/464,389.14
  6. Step 6: Final answer
    x = 390,867.23

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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.