Home / 1,256,520.99-1,870,569.95-1,249,047.66

Finding the Fourth Proportional to 1,256,520.99, 1,870,569.95 and 1,249,047.66

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Solution

The fourth proportional to 1,256,520.99, 1,870,569.95 and 1,249,047.66 is: 1,859,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,520.99 : 1,870,569.95 = 1,249,047.66 : x
  2. Step 2: Convert to fraction form
    1,256,520.99/1,870,569.95 = 1,249,047.66/x
  3. Step 3: Cross multiply
    1,256,520.99x = 1,870,569.95 × 1,249,047.66
  4. Step 4: Simplify right side
    1,256,520.99x = 2,336,431,012,668.58
  5. Step 5: Solve for x
    x = 2,336,431,012,668.58/1,256,520.99
  6. Step 6: Final answer
    x = 1,859,444.48

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.