Home / 712,263.25-1,068,479.27-446,045.81

Finding the Fourth Proportional to 712,263.25, 1,068,479.27 and 446,045.81

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Solution

The fourth proportional to 712,263.25, 1,068,479.27 and 446,045.81 is: 669,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,263.25 : 1,068,479.27 = 446,045.81 : x
  2. Step 2: Convert to fraction form
    712,263.25/1,068,479.27 = 446,045.81/x
  3. Step 3: Cross multiply
    712,263.25x = 1,068,479.27 × 446,045.81
  4. Step 4: Simplify right side
    712,263.25x = 476,590,699,225.13
  5. Step 5: Solve for x
    x = 476,590,699,225.13/712,263.25
  6. Step 6: Final answer
    x = 669,121.57

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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.