Home / 672,783.90-1,009,175.87-461,782.14

Finding the Fourth Proportional to 672,783.90, 1,009,175.87 and 461,782.14

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Solution

The fourth proportional to 672,783.90, 1,009,175.87 and 461,782.14 is: 692,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,783.90 : 1,009,175.87 = 461,782.14 : x
  2. Step 2: Convert to fraction form
    672,783.90/1,009,175.87 = 461,782.14/x
  3. Step 3: Cross multiply
    672,783.90x = 1,009,175.87 × 461,782.14
  4. Step 4: Simplify right side
    672,783.90x = 466,019,390,576.05
  5. Step 5: Solve for x
    x = 466,019,390,576.05/672,783.90
  6. Step 6: Final answer
    x = 692,673.22

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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.