Home / 910,015.24-1,255,847.31-502,143.34

Finding the Fourth Proportional to 910,015.24, 1,255,847.31 and 502,143.34

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Solution

The fourth proportional to 910,015.24, 1,255,847.31 and 502,143.34 is: 692,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,015.24 : 1,255,847.31 = 502,143.34 : x
  2. Step 2: Convert to fraction form
    910,015.24/1,255,847.31 = 502,143.34/x
  3. Step 3: Cross multiply
    910,015.24x = 1,255,847.31 × 502,143.34
  4. Step 4: Simplify right side
    910,015.24x = 630,615,369,581.94
  5. Step 5: Solve for x
    x = 630,615,369,581.94/910,015.24
  6. Step 6: Final answer
    x = 692,972.32

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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.