Home / 740,641.08-1,022,083.74-401,110.68

Finding the Fourth Proportional to 740,641.08, 1,022,083.74 and 401,110.68

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Solution

The fourth proportional to 740,641.08, 1,022,083.74 and 401,110.68 is: 553,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,641.08 : 1,022,083.74 = 401,110.68 : x
  2. Step 2: Convert to fraction form
    740,641.08/1,022,083.74 = 401,110.68/x
  3. Step 3: Cross multiply
    740,641.08x = 1,022,083.74 × 401,110.68
  4. Step 4: Simplify right side
    740,641.08x = 409,968,703,968.34
  5. Step 5: Solve for x
    x = 409,968,703,968.34/740,641.08
  6. Step 6: Final answer
    x = 553,532.22

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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.