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Finding the Fourth Proportional to 1,191,116, 1,643,740.08 and 654,572

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Solution

The fourth proportional to 1,191,116, 1,643,740.08 and 654,572 is: 903,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,116 : 1,643,740.08 = 654,572 : x
  2. Step 2: Convert to fraction form
    1,191,116/1,643,740.08 = 654,572/x
  3. Step 3: Cross multiply
    1,191,116x = 1,643,740.08 × 654,572
  4. Step 4: Simplify right side
    1,191,116x = 1,075,946,231,645.76
  5. Step 5: Solve for x
    x = 1,075,946,231,645.76/1,191,116
  6. Step 6: Final answer
    x = 903,309.36

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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.