Home / 706,111.59-1,058,768.70-645,857.40

Finding the Fourth Proportional to 706,111.59, 1,058,768.70 and 645,857.40

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Solution

The fourth proportional to 706,111.59, 1,058,768.70 and 645,857.40 is: 968,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,111.59 : 1,058,768.70 = 645,857.40 : x
  2. Step 2: Convert to fraction form
    706,111.59/1,058,768.70 = 645,857.40/x
  3. Step 3: Cross multiply
    706,111.59x = 1,058,768.70 × 645,857.40
  4. Step 4: Simplify right side
    706,111.59x = 683,813,599,783.38
  5. Step 5: Solve for x
    x = 683,813,599,783.38/706,111.59
  6. Step 6: Final answer
    x = 968,421.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.