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Finding the Fourth Proportional to 1,186,956, 1,779,901.92 and 707,410.08

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Solution

The fourth proportional to 1,186,956, 1,779,901.92 and 707,410.08 is: 1,060,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,956 : 1,779,901.92 = 707,410.08 : x
  2. Step 2: Convert to fraction form
    1,186,956/1,779,901.92 = 707,410.08/x
  3. Step 3: Cross multiply
    1,186,956x = 1,779,901.92 × 707,410.08
  4. Step 4: Simplify right side
    1,186,956x = 1,259,120,559,619.35
  5. Step 5: Solve for x
    x = 1,259,120,559,619.35/1,186,956
  6. Step 6: Final answer
    x = 1,060,798.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.