Home / 896,721.40-1,343,915.70-363,806.20

Finding the Fourth Proportional to 896,721.40, 1,343,915.70 and 363,806.20

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Solution

The fourth proportional to 896,721.40, 1,343,915.70 and 363,806.20 is: 545,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,721.40 : 1,343,915.70 = 363,806.20 : x
  2. Step 2: Convert to fraction form
    896,721.40/1,343,915.70 = 363,806.20/x
  3. Step 3: Cross multiply
    896,721.40x = 1,343,915.70 × 363,806.20
  4. Step 4: Simplify right side
    896,721.40x = 488,924,863,937.34
  5. Step 5: Solve for x
    x = 488,924,863,937.34/896,721.40
  6. Step 6: Final answer
    x = 545,236.08

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1.5x scale

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.