Home / 966,953.86-1,333,320.60-661,080.04

Finding the Fourth Proportional to 966,953.86, 1,333,320.60 and 661,080.04

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Solution

The fourth proportional to 966,953.86, 1,333,320.60 and 661,080.04 is: 911,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,953.86 : 1,333,320.60 = 661,080.04 : x
  2. Step 2: Convert to fraction form
    966,953.86/1,333,320.60 = 661,080.04/x
  3. Step 3: Cross multiply
    966,953.86x = 1,333,320.60 × 661,080.04
  4. Step 4: Simplify right side
    966,953.86x = 881,431,635,580.82
  5. Step 5: Solve for x
    x = 881,431,635,580.82/966,953.86
  6. Step 6: Final answer
    x = 911,555.01

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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.