Home / 1,384,281.40-2,076,422.10-1,048,358.20

Finding the Fourth Proportional to 1,384,281.40, 2,076,422.10 and 1,048,358.20

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Solution

The fourth proportional to 1,384,281.40, 2,076,422.10 and 1,048,358.20 is: 1,572,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,281.40 : 2,076,422.10 = 1,048,358.20 : x
  2. Step 2: Convert to fraction form
    1,384,281.40/2,076,422.10 = 1,048,358.20/x
  3. Step 3: Cross multiply
    1,384,281.40x = 2,076,422.10 × 1,048,358.20
  4. Step 4: Simplify right side
    1,384,281.40x = 2,176,834,135,196.22
  5. Step 5: Solve for x
    x = 2,176,834,135,196.22/1,384,281.40
  6. Step 6: Final answer
    x = 1,572,537.30

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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.