Home / 630,187.40-944,417.10-404,856.20

Finding the Fourth Proportional to 630,187.40, 944,417.10 and 404,856.20

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Solution

The fourth proportional to 630,187.40, 944,417.10 and 404,856.20 is: 606,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,187.40 : 944,417.10 = 404,856.20 : x
  2. Step 2: Convert to fraction form
    630,187.40/944,417.10 = 404,856.20/x
  3. Step 3: Cross multiply
    630,187.40x = 944,417.10 × 404,856.20
  4. Step 4: Simplify right side
    630,187.40x = 382,353,118,321.02
  5. Step 5: Solve for x
    x = 382,353,118,321.02/630,187.40
  6. Step 6: Final answer
    x = 606,729.23

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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.