Home / 635,900.07-877,581.36-363,962.17

Finding the Fourth Proportional to 635,900.07, 877,581.36 and 363,962.17

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Solution

The fourth proportional to 635,900.07, 877,581.36 and 363,962.17 is: 502,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,900.07 : 877,581.36 = 363,962.17 : x
  2. Step 2: Convert to fraction form
    635,900.07/877,581.36 = 363,962.17/x
  3. Step 3: Cross multiply
    635,900.07x = 877,581.36 × 363,962.17
  4. Step 4: Simplify right side
    635,900.07x = 319,406,417,234.13
  5. Step 5: Solve for x
    x = 319,406,417,234.13/635,900.07
  6. Step 6: Final answer
    x = 502,290.27

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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.