Home / 634,368.81-875,188.74-404,934.69

Finding the Fourth Proportional to 634,368.81, 875,188.74 and 404,934.69

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Solution

The fourth proportional to 634,368.81, 875,188.74 and 404,934.69 is: 558,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,368.81 : 875,188.74 = 404,934.69 : x
  2. Step 2: Convert to fraction form
    634,368.81/875,188.74 = 404,934.69/x
  3. Step 3: Cross multiply
    634,368.81x = 875,188.74 × 404,934.69
  4. Step 4: Simplify right side
    634,368.81x = 354,394,281,123.39
  5. Step 5: Solve for x
    x = 354,394,281,123.39/634,368.81
  6. Step 6: Final answer
    x = 558,656.53

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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.