Home / 456,518.19-630,196.91-272,821.60

Finding the Fourth Proportional to 456,518.19, 630,196.91 and 272,821.60

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Solution

The fourth proportional to 456,518.19, 630,196.91 and 272,821.60 is: 376,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,518.19 : 630,196.91 = 272,821.60 : x
  2. Step 2: Convert to fraction form
    456,518.19/630,196.91 = 272,821.60/x
  3. Step 3: Cross multiply
    456,518.19x = 630,196.91 × 272,821.60
  4. Step 4: Simplify right side
    456,518.19x = 171,931,329,301.26
  5. Step 5: Solve for x
    x = 171,931,329,301.26/456,518.19
  6. Step 6: Final answer
    x = 376,614.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.