Home / 727,486.60-1,003,583.81-565,231.25

Finding the Fourth Proportional to 727,486.60, 1,003,583.81 and 565,231.25

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Solution

The fourth proportional to 727,486.60, 1,003,583.81 and 565,231.25 is: 779,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,486.60 : 1,003,583.81 = 565,231.25 : x
  2. Step 2: Convert to fraction form
    727,486.60/1,003,583.81 = 565,231.25/x
  3. Step 3: Cross multiply
    727,486.60x = 1,003,583.81 × 565,231.25
  4. Step 4: Simplify right side
    727,486.60x = 567,256,931,406.06
  5. Step 5: Solve for x
    x = 567,256,931,406.06/727,486.60
  6. Step 6: Final answer
    x = 779,748.98

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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.