Home / 614,492.10-921,738.15-401,915.70

Finding the Fourth Proportional to 614,492.10, 921,738.15 and 401,915.70

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Solution

The fourth proportional to 614,492.10, 921,738.15 and 401,915.70 is: 602,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,492.10 : 921,738.15 = 401,915.70 : x
  2. Step 2: Convert to fraction form
    614,492.10/921,738.15 = 401,915.70/x
  3. Step 3: Cross multiply
    614,492.10x = 921,738.15 × 401,915.70
  4. Step 4: Simplify right side
    614,492.10x = 370,461,033,773.96
  5. Step 5: Solve for x
    x = 370,461,033,773.96/614,492.10
  6. Step 6: Final answer
    x = 602,873.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.