Home / 613,926.58-921,518.28-506,969.76

Finding the Fourth Proportional to 613,926.58, 921,518.28 and 506,969.76

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Solution

The fourth proportional to 613,926.58, 921,518.28 and 506,969.76 is: 760,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,926.58 : 921,518.28 = 506,969.76 : x
  2. Step 2: Convert to fraction form
    613,926.58/921,518.28 = 506,969.76/x
  3. Step 3: Cross multiply
    613,926.58x = 921,518.28 × 506,969.76
  4. Step 4: Simplify right side
    613,926.58x = 467,181,901,247.21
  5. Step 5: Solve for x
    x = 467,181,901,247.21/613,926.58
  6. Step 6: Final answer
    x = 760,973.57

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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.