Home / 832,308.87-1,148,463.06-505,451.90

Finding the Fourth Proportional to 832,308.87, 1,148,463.06 and 505,451.90

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Solution

The fourth proportional to 832,308.87, 1,148,463.06 and 505,451.90 is: 697,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,308.87 : 1,148,463.06 = 505,451.90 : x
  2. Step 2: Convert to fraction form
    832,308.87/1,148,463.06 = 505,451.90/x
  3. Step 3: Cross multiply
    832,308.87x = 1,148,463.06 × 505,451.90
  4. Step 4: Simplify right side
    832,308.87x = 580,492,830,014.50
  5. Step 5: Solve for x
    x = 580,492,830,014.50/832,308.87
  6. Step 6: Final answer
    x = 697,448.81

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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.