Home / 615,724.16-849,180.48-472,830.08

Finding the Fourth Proportional to 615,724.16, 849,180.48 and 472,830.08

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Solution

The fourth proportional to 615,724.16, 849,180.48 and 472,830.08 is: 652,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,724.16 : 849,180.48 = 472,830.08 : x
  2. Step 2: Convert to fraction form
    615,724.16/849,180.48 = 472,830.08/x
  3. Step 3: Cross multiply
    615,724.16x = 849,180.48 × 472,830.08
  4. Step 4: Simplify right side
    615,724.16x = 401,518,074,292.84
  5. Step 5: Solve for x
    x = 401,518,074,292.84/615,724.16
  6. Step 6: Final answer
    x = 652,107.06

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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.