Home / 986,021.46-1,360,709.69-533,312.46

Finding the Fourth Proportional to 986,021.46, 1,360,709.69 and 533,312.46

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Solution

The fourth proportional to 986,021.46, 1,360,709.69 and 533,312.46 is: 735,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,021.46 : 1,360,709.69 = 533,312.46 : x
  2. Step 2: Convert to fraction form
    986,021.46/1,360,709.69 = 533,312.46/x
  3. Step 3: Cross multiply
    986,021.46x = 1,360,709.69 × 533,312.46
  4. Step 4: Simplify right side
    986,021.46x = 725,683,429,453.18
  5. Step 5: Solve for x
    x = 725,683,429,453.18/986,021.46
  6. Step 6: Final answer
    x = 735,971.23

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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.