Home / 734,636.16-1,013,720.07-412,381.71

Finding the Fourth Proportional to 734,636.16, 1,013,720.07 and 412,381.71

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Solution

The fourth proportional to 734,636.16, 1,013,720.07 and 412,381.71 is: 569,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,636.16 : 1,013,720.07 = 412,381.71 : x
  2. Step 2: Convert to fraction form
    734,636.16/1,013,720.07 = 412,381.71/x
  3. Step 3: Cross multiply
    734,636.16x = 1,013,720.07 × 412,381.71
  4. Step 4: Simplify right side
    734,636.16x = 418,039,615,927.92
  5. Step 5: Solve for x
    x = 418,039,615,927.92/734,636.16
  6. Step 6: Final answer
    x = 569,043.07

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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.