Home / 914,607.80-1,371,911.70-816,630.20

Finding the Fourth Proportional to 914,607.80, 1,371,911.70 and 816,630.20

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Solution

The fourth proportional to 914,607.80, 1,371,911.70 and 816,630.20 is: 1,224,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,607.80 : 1,371,911.70 = 816,630.20 : x
  2. Step 2: Convert to fraction form
    914,607.80/1,371,911.70 = 816,630.20/x
  3. Step 3: Cross multiply
    914,607.80x = 1,371,911.70 × 816,630.20
  4. Step 4: Simplify right side
    914,607.80x = 1,120,344,525,953.34
  5. Step 5: Solve for x
    x = 1,120,344,525,953.34/914,607.80
  6. Step 6: Final answer
    x = 1,224,945.30

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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.