Home / 1,224,337.32-1,689,271.74-714,746.88

Finding the Fourth Proportional to 1,224,337.32, 1,689,271.74 and 714,746.88

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Solution

The fourth proportional to 1,224,337.32, 1,689,271.74 and 714,746.88 is: 986,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,337.32 : 1,689,271.74 = 714,746.88 : x
  2. Step 2: Convert to fraction form
    1,224,337.32/1,689,271.74 = 714,746.88/x
  3. Step 3: Cross multiply
    1,224,337.32x = 1,689,271.74 × 714,746.88
  4. Step 4: Simplify right side
    1,224,337.32x = 1,207,401,705,637.17
  5. Step 5: Solve for x
    x = 1,207,401,705,637.17/1,224,337.32
  6. Step 6: Final answer
    x = 986,167.53

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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.