Home / 711,208.88-1,065,689.74-577,435.56

Finding the Fourth Proportional to 711,208.88, 1,065,689.74 and 577,435.56

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Solution

The fourth proportional to 711,208.88, 1,065,689.74 and 577,435.56 is: 865,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,208.88 : 1,065,689.74 = 577,435.56 : x
  2. Step 2: Convert to fraction form
    711,208.88/1,065,689.74 = 577,435.56/x
  3. Step 3: Cross multiply
    711,208.88x = 1,065,689.74 × 577,435.56
  4. Step 4: Simplify right side
    711,208.88x = 615,367,151,803.15
  5. Step 5: Solve for x
    x = 615,367,151,803.15/711,208.88
  6. Step 6: Final answer
    x = 865,241.10

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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.