Home / 914,140.80-1,371,429.90-440,436.60

Finding the Fourth Proportional to 914,140.80, 1,371,429.90 and 440,436.60

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Solution

The fourth proportional to 914,140.80, 1,371,429.90 and 440,436.60 is: 660,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,140.80 : 1,371,429.90 = 440,436.60 : x
  2. Step 2: Convert to fraction form
    914,140.80/1,371,429.90 = 440,436.60/x
  3. Step 3: Cross multiply
    914,140.80x = 1,371,429.90 × 440,436.60
  4. Step 4: Simplify right side
    914,140.80x = 604,027,922,294.34
  5. Step 5: Solve for x
    x = 604,027,922,294.34/914,140.80
  6. Step 6: Final answer
    x = 660,760.27

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1.5x scale

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.