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Finding the Fourth Proportional to 1,437,637.83, 1,983,945.75 and 793,048.74

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Solution

The fourth proportional to 1,437,637.83, 1,983,945.75 and 793,048.74 is: 1,094,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,637.83 : 1,983,945.75 = 793,048.74 : x
  2. Step 2: Convert to fraction form
    1,437,637.83/1,983,945.75 = 793,048.74/x
  3. Step 3: Cross multiply
    1,437,637.83x = 1,983,945.75 × 793,048.74
  4. Step 4: Simplify right side
    1,437,637.83x = 1,573,365,666,852.13
  5. Step 5: Solve for x
    x = 1,573,365,666,852.13/1,437,637.83
  6. Step 6: Final answer
    x = 1,094,410.32

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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.