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Finding the Fourth Proportional to 1,875,834.64, 2,588,643.93 and 1,016,398.32

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Solution

The fourth proportional to 1,875,834.64, 2,588,643.93 and 1,016,398.32 is: 1,402,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,834.64 : 2,588,643.93 = 1,016,398.32 : x
  2. Step 2: Convert to fraction form
    1,875,834.64/2,588,643.93 = 1,016,398.32/x
  3. Step 3: Cross multiply
    1,875,834.64x = 2,588,643.93 × 1,016,398.32
  4. Step 4: Simplify right side
    1,875,834.64x = 2,631,093,341,530.20
  5. Step 5: Solve for x
    x = 2,631,093,341,530.20/1,875,834.64
  6. Step 6: Final answer
    x = 1,402,625.42

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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.