Home / 1,199,938.02-1,655,940.41-716,412.98

Finding the Fourth Proportional to 1,199,938.02, 1,655,940.41 and 716,412.98

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Solution

The fourth proportional to 1,199,938.02, 1,655,940.41 and 716,412.98 is: 988,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,938.02 : 1,655,940.41 = 716,412.98 : x
  2. Step 2: Convert to fraction form
    1,199,938.02/1,655,940.41 = 716,412.98/x
  3. Step 3: Cross multiply
    1,199,938.02x = 1,655,940.41 × 716,412.98
  4. Step 4: Simplify right side
    1,199,938.02x = 1,186,337,191,968.75
  5. Step 5: Solve for x
    x = 1,186,337,191,968.75/1,199,938.02
  6. Step 6: Final answer
    x = 988,665.39

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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.