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Finding the Fourth Proportional to 697,693.80, 1,048,614.30 and 606,455.40

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Solution

The fourth proportional to 697,693.80, 1,048,614.30 and 606,455.40 is: 911,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,693.80 : 1,048,614.30 = 606,455.40 : x
  2. Step 2: Convert to fraction form
    697,693.80/1,048,614.30 = 606,455.40/x
  3. Step 3: Cross multiply
    697,693.80x = 1,048,614.30 × 606,455.40
  4. Step 4: Simplify right side
    697,693.80x = 635,937,804,752.22
  5. Step 5: Solve for x
    x = 635,937,804,752.22/697,693.80
  6. Step 6: Final answer
    x = 911,485.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.