Home / 1,008,157.16-1,391,256.12-555,448.16

Finding the Fourth Proportional to 1,008,157.16, 1,391,256.12 and 555,448.16

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Solution

The fourth proportional to 1,008,157.16, 1,391,256.12 and 555,448.16 is: 766,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,157.16 : 1,391,256.12 = 555,448.16 : x
  2. Step 2: Convert to fraction form
    1,008,157.16/1,391,256.12 = 555,448.16/x
  3. Step 3: Cross multiply
    1,008,157.16x = 1,391,256.12 × 555,448.16
  4. Step 4: Simplify right side
    1,008,157.16x = 772,770,651,942.74
  5. Step 5: Solve for x
    x = 772,770,651,942.74/1,008,157.16
  6. Step 6: Final answer
    x = 766,518.04

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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.