Home / 1,091,566.08-1,635,538.95-663,807.96

Finding the Fourth Proportional to 1,091,566.08, 1,635,538.95 and 663,807.96

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Solution

The fourth proportional to 1,091,566.08, 1,635,538.95 and 663,807.96 is: 994,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,566.08 : 1,635,538.95 = 663,807.96 : x
  2. Step 2: Convert to fraction form
    1,091,566.08/1,635,538.95 = 663,807.96/x
  3. Step 3: Cross multiply
    1,091,566.08x = 1,635,538.95 × 663,807.96
  4. Step 4: Simplify right side
    1,091,566.08x = 1,085,683,773,900.04
  5. Step 5: Solve for x
    x = 1,085,683,773,900.04/1,091,566.08
  6. Step 6: Final answer
    x = 994,611.13

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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.