Home / 1,159,478.60-1,739,304.30-411,427.40

Finding the Fourth Proportional to 1,159,478.60, 1,739,304.30 and 411,427.40

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Solution

The fourth proportional to 1,159,478.60, 1,739,304.30 and 411,427.40 is: 617,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,478.60 : 1,739,304.30 = 411,427.40 : x
  2. Step 2: Convert to fraction form
    1,159,478.60/1,739,304.30 = 411,427.40/x
  3. Step 3: Cross multiply
    1,159,478.60x = 1,739,304.30 × 411,427.40
  4. Step 4: Simplify right side
    1,159,478.60x = 715,597,445,957.82
  5. Step 5: Solve for x
    x = 715,597,445,957.82/1,159,478.60
  6. Step 6: Final answer
    x = 617,171.76

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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.