Home / 912,793.76-1,259,502.72-530,836.64

Finding the Fourth Proportional to 912,793.76, 1,259,502.72 and 530,836.64

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Solution

The fourth proportional to 912,793.76, 1,259,502.72 and 530,836.64 is: 732,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,793.76 : 1,259,502.72 = 530,836.64 : x
  2. Step 2: Convert to fraction form
    912,793.76/1,259,502.72 = 530,836.64/x
  3. Step 3: Cross multiply
    912,793.76x = 1,259,502.72 × 530,836.64
  4. Step 4: Simplify right side
    912,793.76x = 668,590,191,955.66
  5. Step 5: Solve for x
    x = 668,590,191,955.66/912,793.76
  6. Step 6: Final answer
    x = 732,465.78

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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.