Home / 807,590.36-1,114,460.70-468,090.20

Finding the Fourth Proportional to 807,590.36, 1,114,460.70 and 468,090.20

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Solution

The fourth proportional to 807,590.36, 1,114,460.70 and 468,090.20 is: 645,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,590.36 : 1,114,460.70 = 468,090.20 : x
  2. Step 2: Convert to fraction form
    807,590.36/1,114,460.70 = 468,090.20/x
  3. Step 3: Cross multiply
    807,590.36x = 1,114,460.70 × 468,090.20
  4. Step 4: Simplify right side
    807,590.36x = 521,668,131,955.14
  5. Step 5: Solve for x
    x = 521,668,131,955.14/807,590.36
  6. Step 6: Final answer
    x = 645,956.36

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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.