Home / 346,572.20-519,858.30-307,206.20

Finding the Fourth Proportional to 346,572.20, 519,858.30 and 307,206.20

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Solution

The fourth proportional to 346,572.20, 519,858.30 and 307,206.20 is: 460,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,572.20 : 519,858.30 = 307,206.20 : x
  2. Step 2: Convert to fraction form
    346,572.20/519,858.30 = 307,206.20/x
  3. Step 3: Cross multiply
    346,572.20x = 519,858.30 × 307,206.20
  4. Step 4: Simplify right side
    346,572.20x = 159,703,692,881.46
  5. Step 5: Solve for x
    x = 159,703,692,881.46/346,572.20
  6. Step 6: Final answer
    x = 460,809.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.