Home / 1,181,604.13-1,630,605.40-645,060.13

Finding the Fourth Proportional to 1,181,604.13, 1,630,605.40 and 645,060.13

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Solution

The fourth proportional to 1,181,604.13, 1,630,605.40 and 645,060.13 is: 890,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,604.13 : 1,630,605.40 = 645,060.13 : x
  2. Step 2: Convert to fraction form
    1,181,604.13/1,630,605.40 = 645,060.13/x
  3. Step 3: Cross multiply
    1,181,604.13x = 1,630,605.40 × 645,060.13
  4. Step 4: Simplify right side
    1,181,604.13x = 1,051,838,531,302.70
  5. Step 5: Solve for x
    x = 1,051,838,531,302.70/1,181,604.13
  6. Step 6: Final answer
    x = 890,178.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.