Home / 1,242,209.18-1,714,038.81-698,272.58

Finding the Fourth Proportional to 1,242,209.18, 1,714,038.81 and 698,272.58

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Solution

The fourth proportional to 1,242,209.18, 1,714,038.81 and 698,272.58 is: 963,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,209.18 : 1,714,038.81 = 698,272.58 : x
  2. Step 2: Convert to fraction form
    1,242,209.18/1,714,038.81 = 698,272.58/x
  3. Step 3: Cross multiply
    1,242,209.18x = 1,714,038.81 × 698,272.58
  4. Step 4: Simplify right side
    1,242,209.18x = 1,196,866,303,745.40
  5. Step 5: Solve for x
    x = 1,196,866,303,745.40/1,242,209.18
  6. Step 6: Final answer
    x = 963,498.19

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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.