Home / 966,073.08-1,332,254.34-621,557.40

Finding the Fourth Proportional to 966,073.08, 1,332,254.34 and 621,557.40

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Solution

The fourth proportional to 966,073.08, 1,332,254.34 and 621,557.40 is: 857,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,073.08 : 1,332,254.34 = 621,557.40 : x
  2. Step 2: Convert to fraction form
    966,073.08/1,332,254.34 = 621,557.40/x
  3. Step 3: Cross multiply
    966,073.08x = 1,332,254.34 × 621,557.40
  4. Step 4: Simplify right side
    966,073.08x = 828,072,543,709.12
  5. Step 5: Solve for x
    x = 828,072,543,709.12/966,073.08
  6. Step 6: Final answer
    x = 857,153.11

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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.