Home / 711,228.08-1,065,718.51-577,454.76

Finding the Fourth Proportional to 711,228.08, 1,065,718.51 and 577,454.76

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Solution

The fourth proportional to 711,228.08, 1,065,718.51 and 577,454.76 is: 865,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,228.08 : 1,065,718.51 = 577,454.76 : x
  2. Step 2: Convert to fraction form
    711,228.08/1,065,718.51 = 577,454.76/x
  3. Step 3: Cross multiply
    711,228.08x = 1,065,718.51 × 577,454.76
  4. Step 4: Simplify right side
    711,228.08x = 615,404,224,975.97
  5. Step 5: Solve for x
    x = 615,404,224,975.97/711,228.08
  6. Step 6: Final answer
    x = 865,269.86

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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.