Home / 650,845.90-977,143.65-415,233.10

Finding the Fourth Proportional to 650,845.90, 977,143.65 and 415,233.10

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Solution

The fourth proportional to 650,845.90, 977,143.65 and 415,233.10 is: 623,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,845.90 : 977,143.65 = 415,233.10 : x
  2. Step 2: Convert to fraction form
    650,845.90/977,143.65 = 415,233.10/x
  3. Step 3: Cross multiply
    650,845.90x = 977,143.65 × 415,233.10
  4. Step 4: Simplify right side
    650,845.90x = 405,742,386,934.82
  5. Step 5: Solve for x
    x = 405,742,386,934.82/650,845.90
  6. Step 6: Final answer
    x = 623,407.76

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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.