Home / 688,051.10-1,030,003.05-605,107.10

Finding the Fourth Proportional to 688,051.10, 1,030,003.05 and 605,107.10

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Solution

The fourth proportional to 688,051.10, 1,030,003.05 and 605,107.10 is: 905,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,051.10 : 1,030,003.05 = 605,107.10 : x
  2. Step 2: Convert to fraction form
    688,051.10/1,030,003.05 = 605,107.10/x
  3. Step 3: Cross multiply
    688,051.10x = 1,030,003.05 × 605,107.10
  4. Step 4: Simplify right side
    688,051.10x = 623,262,158,576.66
  5. Step 5: Solve for x
    x = 623,262,158,576.66/688,051.10
  6. Step 6: Final answer
    x = 905,837.02

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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.