Home / 1,258,611.90-1,886,784.26-459,332.66

Finding the Fourth Proportional to 1,258,611.90, 1,886,784.26 and 459,332.66

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Solution

The fourth proportional to 1,258,611.90, 1,886,784.26 and 459,332.66 is: 688,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,611.90 : 1,886,784.26 = 459,332.66 : x
  2. Step 2: Convert to fraction form
    1,258,611.90/1,886,784.26 = 459,332.66/x
  3. Step 3: Cross multiply
    1,258,611.90x = 1,886,784.26 × 459,332.66
  4. Step 4: Simplify right side
    1,258,611.90x = 866,661,621,261.35
  5. Step 5: Solve for x
    x = 866,661,621,261.35/1,258,611.90
  6. Step 6: Final answer
    x = 688,585.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.