Home / 740,590.28-1,022,012.52-401,058.44

Finding the Fourth Proportional to 740,590.28, 1,022,012.52 and 401,058.44

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Solution

The fourth proportional to 740,590.28, 1,022,012.52 and 401,058.44 is: 553,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,590.28 : 1,022,012.52 = 401,058.44 : x
  2. Step 2: Convert to fraction form
    740,590.28/1,022,012.52 = 401,058.44/x
  3. Step 3: Cross multiply
    740,590.28x = 1,022,012.52 × 401,058.44
  4. Step 4: Simplify right side
    740,590.28x = 409,886,746,931.67
  5. Step 5: Solve for x
    x = 409,886,746,931.67/740,590.28
  6. Step 6: Final answer
    x = 553,459.53

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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.