Home / 910,394.04-1,256,156.22-523,134.64

Finding the Fourth Proportional to 910,394.04, 1,256,156.22 and 523,134.64

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Solution

The fourth proportional to 910,394.04, 1,256,156.22 and 523,134.64 is: 721,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,394.04 : 1,256,156.22 = 523,134.64 : x
  2. Step 2: Convert to fraction form
    910,394.04/1,256,156.22 = 523,134.64/x
  3. Step 3: Cross multiply
    910,394.04x = 1,256,156.22 × 523,134.64
  4. Step 4: Simplify right side
    910,394.04x = 657,138,828,793.07
  5. Step 5: Solve for x
    x = 657,138,828,793.07/910,394.04
  6. Step 6: Final answer
    x = 721,818.03

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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.