Home / 704,840.39-972,689.06-382,554.35

Finding the Fourth Proportional to 704,840.39, 972,689.06 and 382,554.35

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Solution

The fourth proportional to 704,840.39, 972,689.06 and 382,554.35 is: 527,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,840.39 : 972,689.06 = 382,554.35 : x
  2. Step 2: Convert to fraction form
    704,840.39/972,689.06 = 382,554.35/x
  3. Step 3: Cross multiply
    704,840.39x = 972,689.06 × 382,554.35
  4. Step 4: Simplify right side
    704,840.39x = 372,106,431,100.41
  5. Step 5: Solve for x
    x = 372,106,431,100.41/704,840.39
  6. Step 6: Final answer
    x = 527,930.06

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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.