Home / 1,164,880.90-1,607,520.31-641,581.46

Finding the Fourth Proportional to 1,164,880.90, 1,607,520.31 and 641,581.46

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Solution

The fourth proportional to 1,164,880.90, 1,607,520.31 and 641,581.46 is: 885,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,880.90 : 1,607,520.31 = 641,581.46 : x
  2. Step 2: Convert to fraction form
    1,164,880.90/1,607,520.31 = 641,581.46/x
  3. Step 3: Cross multiply
    1,164,880.90x = 1,607,520.31 × 641,581.46
  4. Step 4: Simplify right side
    1,164,880.90x = 1,031,355,216,223.94
  5. Step 5: Solve for x
    x = 1,031,355,216,223.94/1,164,880.90
  6. Step 6: Final answer
    x = 885,373.96

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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.