Home / 531,990.23-734,417.28-410,859.59

Finding the Fourth Proportional to 531,990.23, 734,417.28 and 410,859.59

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Solution

The fourth proportional to 531,990.23, 734,417.28 and 410,859.59 is: 567,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,990.23 : 734,417.28 = 410,859.59 : x
  2. Step 2: Convert to fraction form
    531,990.23/734,417.28 = 410,859.59/x
  3. Step 3: Cross multiply
    531,990.23x = 734,417.28 × 410,859.59
  4. Step 4: Simplify right side
    531,990.23x = 301,742,378,877.63
  5. Step 5: Solve for x
    x = 301,742,378,877.63/531,990.23
  6. Step 6: Final answer
    x = 567,195.34

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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.