Home / 1,201,256.16-1,657,683.72-657,378.24

Finding the Fourth Proportional to 1,201,256.16, 1,657,683.72 and 657,378.24

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Solution

The fourth proportional to 1,201,256.16, 1,657,683.72 and 657,378.24 is: 907,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,256.16 : 1,657,683.72 = 657,378.24 : x
  2. Step 2: Convert to fraction form
    1,201,256.16/1,657,683.72 = 657,378.24/x
  3. Step 3: Cross multiply
    1,201,256.16x = 1,657,683.72 × 657,378.24
  4. Step 4: Simplify right side
    1,201,256.16x = 1,089,725,206,330.25
  5. Step 5: Solve for x
    x = 1,089,725,206,330.25/1,201,256.16
  6. Step 6: Final answer
    x = 907,154.73

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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.