Home / 1,005,519.66-1,387,611.32-570,019.18

Finding the Fourth Proportional to 1,005,519.66, 1,387,611.32 and 570,019.18

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Solution

The fourth proportional to 1,005,519.66, 1,387,611.32 and 570,019.18 is: 786,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,519.66 : 1,387,611.32 = 570,019.18 : x
  2. Step 2: Convert to fraction form
    1,005,519.66/1,387,611.32 = 570,019.18/x
  3. Step 3: Cross multiply
    1,005,519.66x = 1,387,611.32 × 570,019.18
  4. Step 4: Simplify right side
    1,005,519.66x = 790,965,066,785.12
  5. Step 5: Solve for x
    x = 790,965,066,785.12/1,005,519.66
  6. Step 6: Final answer
    x = 786,623.17

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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.