Home / 677,566.41-935,018.14-375,788.49

Finding the Fourth Proportional to 677,566.41, 935,018.14 and 375,788.49

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Solution

The fourth proportional to 677,566.41, 935,018.14 and 375,788.49 is: 518,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,566.41 : 935,018.14 = 375,788.49 : x
  2. Step 2: Convert to fraction form
    677,566.41/935,018.14 = 375,788.49/x
  3. Step 3: Cross multiply
    677,566.41x = 935,018.14 × 375,788.49
  4. Step 4: Simplify right side
    677,566.41x = 351,369,054,953.21
  5. Step 5: Solve for x
    x = 351,369,054,953.21/677,566.41
  6. Step 6: Final answer
    x = 518,575.08

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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.