Home / 920,994.12-1,271,011.08-513,095.72

Finding the Fourth Proportional to 920,994.12, 1,271,011.08 and 513,095.72

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Solution

The fourth proportional to 920,994.12, 1,271,011.08 and 513,095.72 is: 708,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,994.12 : 1,271,011.08 = 513,095.72 : x
  2. Step 2: Convert to fraction form
    920,994.12/1,271,011.08 = 513,095.72/x
  3. Step 3: Cross multiply
    920,994.12x = 1,271,011.08 × 513,095.72
  4. Step 4: Simplify right side
    920,994.12x = 652,150,345,220.58
  5. Step 5: Solve for x
    x = 652,150,345,220.58/920,994.12
  6. Step 6: Final answer
    x = 708,093.93

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1.5x scale

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.