Home / 601,176.81-830,185.98-386,689.23

Finding the Fourth Proportional to 601,176.81, 830,185.98 and 386,689.23

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Solution

The fourth proportional to 601,176.81, 830,185.98 and 386,689.23 is: 533,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,176.81 : 830,185.98 = 386,689.23 : x
  2. Step 2: Convert to fraction form
    601,176.81/830,185.98 = 386,689.23/x
  3. Step 3: Cross multiply
    601,176.81x = 830,185.98 × 386,689.23
  4. Step 4: Simplify right side
    601,176.81x = 321,023,977,363.00
  5. Step 5: Solve for x
    x = 321,023,977,363.00/601,176.81
  6. Step 6: Final answer
    x = 533,992.62

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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.