Home / 627,204.63-865,549.76-340,729.23

Finding the Fourth Proportional to 627,204.63, 865,549.76 and 340,729.23

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Solution

The fourth proportional to 627,204.63, 865,549.76 and 340,729.23 is: 470,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,204.63 : 865,549.76 = 340,729.23 : x
  2. Step 2: Convert to fraction form
    627,204.63/865,549.76 = 340,729.23/x
  3. Step 3: Cross multiply
    627,204.63x = 865,549.76 × 340,729.23
  4. Step 4: Simplify right side
    627,204.63x = 294,918,101,547.84
  5. Step 5: Solve for x
    x = 294,918,101,547.84/627,204.63
  6. Step 6: Final answer
    x = 470,210.34

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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.