Home / 565,577.04-780,236.24-501,111.57

Finding the Fourth Proportional to 565,577.04, 780,236.24 and 501,111.57

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Solution

The fourth proportional to 565,577.04, 780,236.24 and 501,111.57 is: 691,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,577.04 : 780,236.24 = 501,111.57 : x
  2. Step 2: Convert to fraction form
    565,577.04/780,236.24 = 501,111.57/x
  3. Step 3: Cross multiply
    565,577.04x = 780,236.24 × 501,111.57
  4. Step 4: Simplify right side
    565,577.04x = 390,985,404,691.74
  5. Step 5: Solve for x
    x = 390,985,404,691.74/565,577.04
  6. Step 6: Final answer
    x = 691,303.53

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Double scale
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1.5x scale

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.