Home / 966,070.08-1,332,250.20-621,554.40

Finding the Fourth Proportional to 966,070.08, 1,332,250.20 and 621,554.40

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Solution

The fourth proportional to 966,070.08, 1,332,250.20 and 621,554.40 is: 857,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,070.08 : 1,332,250.20 = 621,554.40 : x
  2. Step 2: Convert to fraction form
    966,070.08/1,332,250.20 = 621,554.40/x
  3. Step 3: Cross multiply
    966,070.08x = 1,332,250.20 × 621,554.40
  4. Step 4: Simplify right side
    966,070.08x = 828,065,973,710.88
  5. Step 5: Solve for x
    x = 828,065,973,710.88/966,070.08
  6. Step 6: Final answer
    x = 857,148.97

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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.