Home / 805,555.29-1,111,394.21-456,658.27

Finding the Fourth Proportional to 805,555.29, 1,111,394.21 and 456,658.27

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Solution

The fourth proportional to 805,555.29, 1,111,394.21 and 456,658.27 is: 630,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,555.29 : 1,111,394.21 = 456,658.27 : x
  2. Step 2: Convert to fraction form
    805,555.29/1,111,394.21 = 456,658.27/x
  3. Step 3: Cross multiply
    805,555.29x = 1,111,394.21 × 456,658.27
  4. Step 4: Simplify right side
    805,555.29x = 507,527,359,130.67
  5. Step 5: Solve for x
    x = 507,527,359,130.67/805,555.29
  6. Step 6: Final answer
    x = 630,034.17

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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.