Home / 1,511,235.40-2,266,853.10-389,304.40

Finding the Fourth Proportional to 1,511,235.40, 2,266,853.10 and 389,304.40

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Solution

The fourth proportional to 1,511,235.40, 2,266,853.10 and 389,304.40 is: 583,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,235.40 : 2,266,853.10 = 389,304.40 : x
  2. Step 2: Convert to fraction form
    1,511,235.40/2,266,853.10 = 389,304.40/x
  3. Step 3: Cross multiply
    1,511,235.40x = 2,266,853.10 × 389,304.40
  4. Step 4: Simplify right side
    1,511,235.40x = 882,495,885,983.64
  5. Step 5: Solve for x
    x = 882,495,885,983.64/1,511,235.40
  6. Step 6: Final answer
    x = 583,956.60

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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.