Home / 623,587.80-935,657.10-303,562.20

Finding the Fourth Proportional to 623,587.80, 935,657.10 and 303,562.20

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Solution

The fourth proportional to 623,587.80, 935,657.10 and 303,562.20 is: 455,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,587.80 : 935,657.10 = 303,562.20 : x
  2. Step 2: Convert to fraction form
    623,587.80/935,657.10 = 303,562.20/x
  3. Step 3: Cross multiply
    623,587.80x = 935,657.10 × 303,562.20
  4. Step 4: Simplify right side
    623,587.80x = 284,030,127,721.62
  5. Step 5: Solve for x
    x = 284,030,127,721.62/623,587.80
  6. Step 6: Final answer
    x = 455,477.36

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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.