Home / 1,149,303.15-1,586,038.29-666,148.55

Finding the Fourth Proportional to 1,149,303.15, 1,586,038.29 and 666,148.55

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Solution

The fourth proportional to 1,149,303.15, 1,586,038.29 and 666,148.55 is: 919,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,303.15 : 1,586,038.29 = 666,148.55 : x
  2. Step 2: Convert to fraction form
    1,149,303.15/1,586,038.29 = 666,148.55/x
  3. Step 3: Cross multiply
    1,149,303.15x = 1,586,038.29 × 666,148.55
  4. Step 4: Simplify right side
    1,149,303.15x = 1,056,537,099,197.79
  5. Step 5: Solve for x
    x = 1,056,537,099,197.79/1,149,303.15
  6. Step 6: Final answer
    x = 919,284.96

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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.