Home / 1,472,590.64-2,208,639.90-407,740.34

Finding the Fourth Proportional to 1,472,590.64, 2,208,639.90 and 407,740.34

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Solution

The fourth proportional to 1,472,590.64, 2,208,639.90 and 407,740.34 is: 611,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,590.64 : 2,208,639.90 = 407,740.34 : x
  2. Step 2: Convert to fraction form
    1,472,590.64/2,208,639.90 = 407,740.34/x
  3. Step 3: Cross multiply
    1,472,590.64x = 2,208,639.90 × 407,740.34
  4. Step 4: Simplify right side
    1,472,590.64x = 900,551,583,763.57
  5. Step 5: Solve for x
    x = 900,551,583,763.57/1,472,590.64
  6. Step 6: Final answer
    x = 611,542.38

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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.