Home / 989,230.16-1,363,628.04-606,547.28

Finding the Fourth Proportional to 989,230.16, 1,363,628.04 and 606,547.28

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Solution

The fourth proportional to 989,230.16, 1,363,628.04 and 606,547.28 is: 836,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,230.16 : 1,363,628.04 = 606,547.28 : x
  2. Step 2: Convert to fraction form
    989,230.16/1,363,628.04 = 606,547.28/x
  3. Step 3: Cross multiply
    989,230.16x = 1,363,628.04 × 606,547.28
  4. Step 4: Simplify right side
    989,230.16x = 827,104,878,593.73
  5. Step 5: Solve for x
    x = 827,104,878,593.73/989,230.16
  6. Step 6: Final answer
    x = 836,109.65

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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.