Home / 734,809.05-1,013,966.51-412,445.25

Finding the Fourth Proportional to 734,809.05, 1,013,966.51 and 412,445.25

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Solution

The fourth proportional to 734,809.05, 1,013,966.51 and 412,445.25 is: 569,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,809.05 : 1,013,966.51 = 412,445.25 : x
  2. Step 2: Convert to fraction form
    734,809.05/1,013,966.51 = 412,445.25/x
  3. Step 3: Cross multiply
    734,809.05x = 1,013,966.51 × 412,445.25
  4. Step 4: Simplify right side
    734,809.05x = 418,205,668,646.35
  5. Step 5: Solve for x
    x = 418,205,668,646.35/734,809.05
  6. Step 6: Final answer
    x = 569,135.16

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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.