Home / 456,870.13-630,473.22-252,916.86

Finding the Fourth Proportional to 456,870.13, 630,473.22 and 252,916.86

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Solution

The fourth proportional to 456,870.13, 630,473.22 and 252,916.86 is: 349,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,870.13 : 630,473.22 = 252,916.86 : x
  2. Step 2: Convert to fraction form
    456,870.13/630,473.22 = 252,916.86/x
  3. Step 3: Cross multiply
    456,870.13x = 630,473.22 × 252,916.86
  4. Step 4: Simplify right side
    456,870.13x = 159,457,307,116.49
  5. Step 5: Solve for x
    x = 159,457,307,116.49/456,870.13
  6. Step 6: Final answer
    x = 349,021.08

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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.