Home / 1,137,661.60-1,706,031.60-389,322.40

Finding the Fourth Proportional to 1,137,661.60, 1,706,031.60 and 389,322.40

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Solution

The fourth proportional to 1,137,661.60, 1,706,031.60 and 389,322.40 is: 583,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,661.60 : 1,706,031.60 = 389,322.40 : x
  2. Step 2: Convert to fraction form
    1,137,661.60/1,706,031.60 = 389,322.40/x
  3. Step 3: Cross multiply
    1,137,661.60x = 1,706,031.60 × 389,322.40
  4. Step 4: Simplify right side
    1,137,661.60x = 664,196,316,987.84
  5. Step 5: Solve for x
    x = 664,196,316,987.84/1,137,661.60
  6. Step 6: Final answer
    x = 583,825.91

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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.