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Finding the Fourth Proportional to 934,718, 1,290,001.86 and 552,867.80

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Solution

The fourth proportional to 934,718, 1,290,001.86 and 552,867.80 is: 763,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,718 : 1,290,001.86 = 552,867.80 : x
  2. Step 2: Convert to fraction form
    934,718/1,290,001.86 = 552,867.80/x
  3. Step 3: Cross multiply
    934,718x = 1,290,001.86 × 552,867.80
  4. Step 4: Simplify right side
    934,718x = 713,200,490,334.11
  5. Step 5: Solve for x
    x = 713,200,490,334.11/934,718
  6. Step 6: Final answer
    x = 763,011.40

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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.