Home / 942,051.60-1,300,018.60-512,322.48

Finding the Fourth Proportional to 942,051.60, 1,300,018.60 and 512,322.48

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Solution

The fourth proportional to 942,051.60, 1,300,018.60 and 512,322.48 is: 706,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,051.60 : 1,300,018.60 = 512,322.48 : x
  2. Step 2: Convert to fraction form
    942,051.60/1,300,018.60 = 512,322.48/x
  3. Step 3: Cross multiply
    942,051.60x = 1,300,018.60 × 512,322.48
  4. Step 4: Simplify right side
    942,051.60x = 666,028,753,198.13
  5. Step 5: Solve for x
    x = 666,028,753,198.13/942,051.60
  6. Step 6: Final answer
    x = 706,998.17

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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.