Home / 1,256,528.16-1,734,011.28-683,570.88

Finding the Fourth Proportional to 1,256,528.16, 1,734,011.28 and 683,570.88

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Solution

The fourth proportional to 1,256,528.16, 1,734,011.28 and 683,570.88 is: 943,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,528.16 : 1,734,011.28 = 683,570.88 : x
  2. Step 2: Convert to fraction form
    1,256,528.16/1,734,011.28 = 683,570.88/x
  3. Step 3: Cross multiply
    1,256,528.16x = 1,734,011.28 × 683,570.88
  4. Step 4: Simplify right side
    1,256,528.16x = 1,185,319,616,599.53
  5. Step 5: Solve for x
    x = 1,185,319,616,599.53/1,256,528.16
  6. Step 6: Final answer
    x = 943,329.13

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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.