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Finding the Fourth Proportional to 1,406,232, 1,940,599.20 and 761,652

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Solution

The fourth proportional to 1,406,232, 1,940,599.20 and 761,652 is: 1,051,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,232 : 1,940,599.20 = 761,652 : x
  2. Step 2: Convert to fraction form
    1,406,232/1,940,599.20 = 761,652/x
  3. Step 3: Cross multiply
    1,406,232x = 1,940,599.20 × 761,652
  4. Step 4: Simplify right side
    1,406,232x = 1,478,061,261,878.40
  5. Step 5: Solve for x
    x = 1,478,061,261,878.40/1,406,232
  6. Step 6: Final answer
    x = 1,051,079.24

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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.