Home / 1,013,403.56-1,398,475.33-554,516.28

Finding the Fourth Proportional to 1,013,403.56, 1,398,475.33 and 554,516.28

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Solution

The fourth proportional to 1,013,403.56, 1,398,475.33 and 554,516.28 is: 765,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,403.56 : 1,398,475.33 = 554,516.28 : x
  2. Step 2: Convert to fraction form
    1,013,403.56/1,398,475.33 = 554,516.28/x
  3. Step 3: Cross multiply
    1,013,403.56x = 1,398,475.33 × 554,516.28
  4. Step 4: Simplify right side
    1,013,403.56x = 775,477,336,277.08
  5. Step 5: Solve for x
    x = 775,477,336,277.08/1,013,403.56
  6. Step 6: Final answer
    x = 765,220.66

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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.