Home / 771,583.30-1,064,802.03-440,432.41

Finding the Fourth Proportional to 771,583.30, 1,064,802.03 and 440,432.41

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Solution

The fourth proportional to 771,583.30, 1,064,802.03 and 440,432.41 is: 607,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,583.30 : 1,064,802.03 = 440,432.41 : x
  2. Step 2: Convert to fraction form
    771,583.30/1,064,802.03 = 440,432.41/x
  3. Step 3: Cross multiply
    771,583.30x = 1,064,802.03 × 440,432.41
  4. Step 4: Simplify right side
    771,583.30x = 468,973,324,245.79
  5. Step 5: Solve for x
    x = 468,973,324,245.79/771,583.30
  6. Step 6: Final answer
    x = 607,806.47

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1.5x scale

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.