Home / 708,803.36-1,062,646.96-353,634.72

Finding the Fourth Proportional to 708,803.36, 1,062,646.96 and 353,634.72

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Solution

The fourth proportional to 708,803.36, 1,062,646.96 and 353,634.72 is: 530,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,803.36 : 1,062,646.96 = 353,634.72 : x
  2. Step 2: Convert to fraction form
    708,803.36/1,062,646.96 = 353,634.72/x
  3. Step 3: Cross multiply
    708,803.36x = 1,062,646.96 × 353,634.72
  4. Step 4: Simplify right side
    708,803.36x = 375,788,860,158.45
  5. Step 5: Solve for x
    x = 375,788,860,158.45/708,803.36
  6. Step 6: Final answer
    x = 530,173.64

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1.5x scale

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.