Home / 1,267,472.04-1,901,209.41-320,842.77

Finding the Fourth Proportional to 1,267,472.04, 1,901,209.41 and 320,842.77

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Solution

The fourth proportional to 1,267,472.04, 1,901,209.41 and 320,842.77 is: 481,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,472.04 : 1,901,209.41 = 320,842.77 : x
  2. Step 2: Convert to fraction form
    1,267,472.04/1,901,209.41 = 320,842.77/x
  3. Step 3: Cross multiply
    1,267,472.04x = 1,901,209.41 × 320,842.77
  4. Step 4: Simplify right side
    1,267,472.04x = 609,989,293,454.47
  5. Step 5: Solve for x
    x = 609,989,293,454.47/1,267,472.04
  6. Step 6: Final answer
    x = 481,264.50

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Double scale
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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.