Home / 1,685,204.68-2,528,445.46-1,011,756.28

Finding the Fourth Proportional to 1,685,204.68, 2,528,445.46 and 1,011,756.28

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Solution

The fourth proportional to 1,685,204.68, 2,528,445.46 and 1,011,756.28 is: 1,518,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,204.68 : 2,528,445.46 = 1,011,756.28 : x
  2. Step 2: Convert to fraction form
    1,685,204.68/2,528,445.46 = 1,011,756.28/x
  3. Step 3: Cross multiply
    1,685,204.68x = 2,528,445.46 × 1,011,756.28
  4. Step 4: Simplify right side
    1,685,204.68x = 2,558,170,572,792.49
  5. Step 5: Solve for x
    x = 2,558,170,572,792.49/1,685,204.68
  6. Step 6: Final answer
    x = 1,518,017.72

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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.