Home / 1,190,031.59-1,785,104.80-391,295.45

Finding the Fourth Proportional to 1,190,031.59, 1,785,104.80 and 391,295.45

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Solution

The fourth proportional to 1,190,031.59, 1,785,104.80 and 391,295.45 is: 586,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,031.59 : 1,785,104.80 = 391,295.45 : x
  2. Step 2: Convert to fraction form
    1,190,031.59/1,785,104.80 = 391,295.45/x
  3. Step 3: Cross multiply
    1,190,031.59x = 1,785,104.80 × 391,295.45
  4. Step 4: Simplify right side
    1,190,031.59x = 698,503,389,497.68
  5. Step 5: Solve for x
    x = 698,503,389,497.68/1,190,031.59
  6. Step 6: Final answer
    x = 586,962.06

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1.5x scale

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.