Home / 1,200,098.64-1,656,223.02-716,684.16

Finding the Fourth Proportional to 1,200,098.64, 1,656,223.02 and 716,684.16

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Solution

The fourth proportional to 1,200,098.64, 1,656,223.02 and 716,684.16 is: 989,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,098.64 : 1,656,223.02 = 716,684.16 : x
  2. Step 2: Convert to fraction form
    1,200,098.64/1,656,223.02 = 716,684.16/x
  3. Step 3: Cross multiply
    1,200,098.64x = 1,656,223.02 × 716,684.16
  4. Step 4: Simplify right side
    1,200,098.64x = 1,186,988,803,861.36
  5. Step 5: Solve for x
    x = 1,186,988,803,861.36/1,200,098.64
  6. Step 6: Final answer
    x = 989,076.03

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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.