Home / 478,926.77-660,948.71-264,066.50

Finding the Fourth Proportional to 478,926.77, 660,948.71 and 264,066.50

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Solution

The fourth proportional to 478,926.77, 660,948.71 and 264,066.50 is: 364,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,926.77 : 660,948.71 = 264,066.50 : x
  2. Step 2: Convert to fraction form
    478,926.77/660,948.71 = 264,066.50/x
  3. Step 3: Cross multiply
    478,926.77x = 660,948.71 × 264,066.50
  4. Step 4: Simplify right side
    478,926.77x = 174,534,407,904.14
  5. Step 5: Solve for x
    x = 174,534,407,904.14/478,926.77
  6. Step 6: Final answer
    x = 364,428.18

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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.