Home / 772,718.76-1,157,482.62-573,264.36

Finding the Fourth Proportional to 772,718.76, 1,157,482.62 and 573,264.36

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Solution

The fourth proportional to 772,718.76, 1,157,482.62 and 573,264.36 is: 858,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,718.76 : 1,157,482.62 = 573,264.36 : x
  2. Step 2: Convert to fraction form
    772,718.76/1,157,482.62 = 573,264.36/x
  3. Step 3: Cross multiply
    772,718.76x = 1,157,482.62 × 573,264.36
  4. Step 4: Simplify right side
    772,718.76x = 663,543,533,365.42
  5. Step 5: Solve for x
    x = 663,543,533,365.42/772,718.76
  6. Step 6: Final answer
    x = 858,712.86

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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.