Home / 560,305.21-836,087.76-499,918.58

Finding the Fourth Proportional to 560,305.21, 836,087.76 and 499,918.58

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Solution

The fourth proportional to 560,305.21, 836,087.76 and 499,918.58 is: 745,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,305.21 : 836,087.76 = 499,918.58 : x
  2. Step 2: Convert to fraction form
    560,305.21/836,087.76 = 499,918.58/x
  3. Step 3: Cross multiply
    560,305.21x = 836,087.76 × 499,918.58
  4. Step 4: Simplify right side
    560,305.21x = 417,975,805,734.58
  5. Step 5: Solve for x
    x = 417,975,805,734.58/560,305.21
  6. Step 6: Final answer
    x = 745,978.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.