Home / 1,122,943.56-1,549,820.16-714,915.08

Finding the Fourth Proportional to 1,122,943.56, 1,549,820.16 and 714,915.08

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Solution

The fourth proportional to 1,122,943.56, 1,549,820.16 and 714,915.08 is: 986,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,943.56 : 1,549,820.16 = 714,915.08 : x
  2. Step 2: Convert to fraction form
    1,122,943.56/1,549,820.16 = 714,915.08/x
  3. Step 3: Cross multiply
    1,122,943.56x = 1,549,820.16 × 714,915.08
  4. Step 4: Simplify right side
    1,122,943.56x = 1,107,989,803,672.01
  5. Step 5: Solve for x
    x = 1,107,989,803,672.01/1,122,943.56
  6. Step 6: Final answer
    x = 986,683.43

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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.