Home / 1,156,566-1,596,228.96-666,440.16

Finding the Fourth Proportional to 1,156,566, 1,596,228.96 and 666,440.16

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Solution

The fourth proportional to 1,156,566, 1,596,228.96 and 666,440.16 is: 919,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,566 : 1,596,228.96 = 666,440.16 : x
  2. Step 2: Convert to fraction form
    1,156,566/1,596,228.96 = 666,440.16/x
  3. Step 3: Cross multiply
    1,156,566x = 1,596,228.96 × 666,440.16
  4. Step 4: Simplify right side
    1,156,566x = 1,063,791,083,499.03
  5. Step 5: Solve for x
    x = 1,063,791,083,499.03/1,156,566
  6. Step 6: Final answer
    x = 919,784.16

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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.