Home / 615,622.29-849,573.04-386,189.23

Finding the Fourth Proportional to 615,622.29, 849,573.04 and 386,189.23

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Solution

The fourth proportional to 615,622.29, 849,573.04 and 386,189.23 is: 532,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,622.29 : 849,573.04 = 386,189.23 : x
  2. Step 2: Convert to fraction form
    615,622.29/849,573.04 = 386,189.23/x
  3. Step 3: Cross multiply
    615,622.29x = 849,573.04 × 386,189.23
  4. Step 4: Simplify right side
    615,622.29x = 328,095,958,146.36
  5. Step 5: Solve for x
    x = 328,095,958,146.36/615,622.29
  6. Step 6: Final answer
    x = 532,950.10

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1.5x scale

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.