Home / 1,172,830.19-1,617,671.16-1,076,345.69

Finding the Fourth Proportional to 1,172,830.19, 1,617,671.16 and 1,076,345.69

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Solution

The fourth proportional to 1,172,830.19, 1,617,671.16 and 1,076,345.69 is: 1,484,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,830.19 : 1,617,671.16 = 1,076,345.69 : x
  2. Step 2: Convert to fraction form
    1,172,830.19/1,617,671.16 = 1,076,345.69/x
  3. Step 3: Cross multiply
    1,172,830.19x = 1,617,671.16 × 1,076,345.69
  4. Step 4: Simplify right side
    1,172,830.19x = 1,741,173,380,903.30
  5. Step 5: Solve for x
    x = 1,741,173,380,903.30/1,172,830.19
  6. Step 6: Final answer
    x = 1,484,591.20

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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.