Home / 830,899.88-1,146,451.62-524,607.78

Finding the Fourth Proportional to 830,899.88, 1,146,451.62 and 524,607.78

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Solution

The fourth proportional to 830,899.88, 1,146,451.62 and 524,607.78 is: 723,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,899.88 : 1,146,451.62 = 524,607.78 : x
  2. Step 2: Convert to fraction form
    830,899.88/1,146,451.62 = 524,607.78/x
  3. Step 3: Cross multiply
    830,899.88x = 1,146,451.62 × 524,607.78
  4. Step 4: Simplify right side
    830,899.88x = 601,437,439,245.60
  5. Step 5: Solve for x
    x = 601,437,439,245.60/830,899.88
  6. Step 6: Final answer
    x = 723,838.64

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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.