Home / 783,114.10-1,174,671.15-546,918.10

Finding the Fourth Proportional to 783,114.10, 1,174,671.15 and 546,918.10

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Solution

The fourth proportional to 783,114.10, 1,174,671.15 and 546,918.10 is: 820,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,114.10 : 1,174,671.15 = 546,918.10 : x
  2. Step 2: Convert to fraction form
    783,114.10/1,174,671.15 = 546,918.10/x
  3. Step 3: Cross multiply
    783,114.10x = 1,174,671.15 × 546,918.10
  4. Step 4: Simplify right side
    783,114.10x = 642,448,913,482.82
  5. Step 5: Solve for x
    x = 642,448,913,482.82/783,114.10
  6. Step 6: Final answer
    x = 820,377.15

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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.