Home / 1,273,283.30-1,909,519.55-420,196.16

Finding the Fourth Proportional to 1,273,283.30, 1,909,519.55 and 420,196.16

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Solution

The fourth proportional to 1,273,283.30, 1,909,519.55 and 420,196.16 is: 630,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,283.30 : 1,909,519.55 = 420,196.16 : x
  2. Step 2: Convert to fraction form
    1,273,283.30/1,909,519.55 = 420,196.16/x
  3. Step 3: Cross multiply
    1,273,283.30x = 1,909,519.55 × 420,196.16
  4. Step 4: Simplify right side
    1,273,283.30x = 802,372,786,603.48
  5. Step 5: Solve for x
    x = 802,372,786,603.48/1,273,283.30
  6. Step 6: Final answer
    x = 630,160.46

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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.