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Finding the Fourth Proportional to 1,574,808, 2,173,235.04 and 859,416

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Solution

The fourth proportional to 1,574,808, 2,173,235.04 and 859,416 is: 1,185,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,808 : 2,173,235.04 = 859,416 : x
  2. Step 2: Convert to fraction form
    1,574,808/2,173,235.04 = 859,416/x
  3. Step 3: Cross multiply
    1,574,808x = 2,173,235.04 × 859,416
  4. Step 4: Simplify right side
    1,574,808x = 1,867,712,965,136.64
  5. Step 5: Solve for x
    x = 1,867,712,965,136.64/1,574,808
  6. Step 6: Final answer
    x = 1,185,994.08

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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.