Home / 805,641.08-1,111,762.49-443,064.93

Finding the Fourth Proportional to 805,641.08, 1,111,762.49 and 443,064.93

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Solution

The fourth proportional to 805,641.08, 1,111,762.49 and 443,064.93 is: 611,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,641.08 : 1,111,762.49 = 443,064.93 : x
  2. Step 2: Convert to fraction form
    805,641.08/1,111,762.49 = 443,064.93/x
  3. Step 3: Cross multiply
    805,641.08x = 1,111,762.49 × 443,064.93
  4. Step 4: Simplify right side
    805,641.08x = 492,582,967,593.15
  5. Step 5: Solve for x
    x = 492,582,967,593.15/805,641.08
  6. Step 6: Final answer
    x = 611,417.40

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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.