Home / 1,131,276.26-1,561,068.33-666,056.18

Finding the Fourth Proportional to 1,131,276.26, 1,561,068.33 and 666,056.18

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Solution

The fourth proportional to 1,131,276.26, 1,561,068.33 and 666,056.18 is: 919,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,276.26 : 1,561,068.33 = 666,056.18 : x
  2. Step 2: Convert to fraction form
    1,131,276.26/1,561,068.33 = 666,056.18/x
  3. Step 3: Cross multiply
    1,131,276.26x = 1,561,068.33 × 666,056.18
  4. Step 4: Simplify right side
    1,131,276.26x = 1,039,759,208,598.78
  5. Step 5: Solve for x
    x = 1,039,759,208,598.78/1,131,276.26
  6. Step 6: Final answer
    x = 919,102.83

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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.