Home / 1,091,015.10-1,636,522.65-618,623.10

Finding the Fourth Proportional to 1,091,015.10, 1,636,522.65 and 618,623.10

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Solution

The fourth proportional to 1,091,015.10, 1,636,522.65 and 618,623.10 is: 927,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,015.10 : 1,636,522.65 = 618,623.10 : x
  2. Step 2: Convert to fraction form
    1,091,015.10/1,636,522.65 = 618,623.10/x
  3. Step 3: Cross multiply
    1,091,015.10x = 1,636,522.65 × 618,623.10
  4. Step 4: Simplify right side
    1,091,015.10x = 1,012,390,714,963.21
  5. Step 5: Solve for x
    x = 1,012,390,714,963.21/1,091,015.10
  6. Step 6: Final answer
    x = 927,934.65

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Double scale
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Similar ratio
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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.