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Finding the Fourth Proportional to 1,229,803, 1,697,128.14 and 693,259

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Solution

The fourth proportional to 1,229,803, 1,697,128.14 and 693,259 is: 956,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,803 : 1,697,128.14 = 693,259 : x
  2. Step 2: Convert to fraction form
    1,229,803/1,697,128.14 = 693,259/x
  3. Step 3: Cross multiply
    1,229,803x = 1,697,128.14 × 693,259
  4. Step 4: Simplify right side
    1,229,803x = 1,176,549,357,208.26
  5. Step 5: Solve for x
    x = 1,176,549,357,208.26/1,229,803
  6. Step 6: Final answer
    x = 956,697.42

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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.