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Finding the Fourth Proportional to 1,406,798.64, 1,941,162.75 and 833,746.32

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Solution

The fourth proportional to 1,406,798.64, 1,941,162.75 and 833,746.32 is: 1,150,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,798.64 : 1,941,162.75 = 833,746.32 : x
  2. Step 2: Convert to fraction form
    1,406,798.64/1,941,162.75 = 833,746.32/x
  3. Step 3: Cross multiply
    1,406,798.64x = 1,941,162.75 × 833,746.32
  4. Step 4: Simplify right side
    1,406,798.64x = 1,618,437,299,333.58
  5. Step 5: Solve for x
    x = 1,618,437,299,333.58/1,406,798.64
  6. Step 6: Final answer
    x = 1,150,439.91

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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.