Home / 1,004,445.69-1,386,145.07-545,569.35

Finding the Fourth Proportional to 1,004,445.69, 1,386,145.07 and 545,569.35

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Solution

The fourth proportional to 1,004,445.69, 1,386,145.07 and 545,569.35 is: 752,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,445.69 : 1,386,145.07 = 545,569.35 : x
  2. Step 2: Convert to fraction form
    1,004,445.69/1,386,145.07 = 545,569.35/x
  3. Step 3: Cross multiply
    1,004,445.69x = 1,386,145.07 × 545,569.35
  4. Step 4: Simplify right side
    1,004,445.69x = 756,238,264,845.61
  5. Step 5: Solve for x
    x = 756,238,264,845.61/1,004,445.69
  6. Step 6: Final answer
    x = 752,891.14

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Double scale
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1.5x scale

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.