Home / 711,218.12-1,065,703.60-577,444.79

Finding the Fourth Proportional to 711,218.12, 1,065,703.60 and 577,444.79

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Solution

The fourth proportional to 711,218.12, 1,065,703.60 and 577,444.79 is: 865,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,218.12 : 1,065,703.60 = 577,444.79 : x
  2. Step 2: Convert to fraction form
    711,218.12/1,065,703.60 = 577,444.79/x
  3. Step 3: Cross multiply
    711,218.12x = 1,065,703.60 × 577,444.79
  4. Step 4: Simplify right side
    711,218.12x = 615,384,992,724.89
  5. Step 5: Solve for x
    x = 615,384,992,724.89/711,218.12
  6. Step 6: Final answer
    x = 865,254.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.