Home / 613,926.71-921,518.46-506,969.88

Finding the Fourth Proportional to 613,926.71, 921,518.46 and 506,969.88

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Solution

The fourth proportional to 613,926.71, 921,518.46 and 506,969.88 is: 760,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,926.71 : 921,518.46 = 506,969.88 : x
  2. Step 2: Convert to fraction form
    613,926.71/921,518.46 = 506,969.88/x
  3. Step 3: Cross multiply
    613,926.71x = 921,518.46 × 506,969.88
  4. Step 4: Simplify right side
    613,926.71x = 467,182,099,628.29
  5. Step 5: Solve for x
    x = 467,182,099,628.29/613,926.71
  6. Step 6: Final answer
    x = 760,973.73

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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.