Home / 1,201,314.74-1,657,798.73-657,440.64

Finding the Fourth Proportional to 1,201,314.74, 1,657,798.73 and 657,440.64

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Solution

The fourth proportional to 1,201,314.74, 1,657,798.73 and 657,440.64 is: 907,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,314.74 : 1,657,798.73 = 657,440.64 : x
  2. Step 2: Convert to fraction form
    1,201,314.74/1,657,798.73 = 657,440.64/x
  3. Step 3: Cross multiply
    1,201,314.74x = 1,657,798.73 × 657,440.64
  4. Step 4: Simplify right side
    1,201,314.74x = 1,089,904,254,755.18
  5. Step 5: Solve for x
    x = 1,089,904,254,755.18/1,201,314.74
  6. Step 6: Final answer
    x = 907,259.54

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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.