Home / 707,040.55-975,736.47-384,771.43

Finding the Fourth Proportional to 707,040.55, 975,736.47 and 384,771.43

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Solution

The fourth proportional to 707,040.55, 975,736.47 and 384,771.43 is: 530,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,040.55 : 975,736.47 = 384,771.43 : x
  2. Step 2: Convert to fraction form
    707,040.55/975,736.47 = 384,771.43/x
  3. Step 3: Cross multiply
    707,040.55x = 975,736.47 × 384,771.43
  4. Step 4: Simplify right side
    707,040.55x = 375,435,516,865.05
  5. Step 5: Solve for x
    x = 375,435,516,865.05/707,040.55
  6. Step 6: Final answer
    x = 530,995.74

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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.