Home / 956,688.80-1,319,654.80-612,599.20

Finding the Fourth Proportional to 956,688.80, 1,319,654.80 and 612,599.20

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Solution

The fourth proportional to 956,688.80, 1,319,654.80 and 612,599.20 is: 845,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,688.80 : 1,319,654.80 = 612,599.20 : x
  2. Step 2: Convert to fraction form
    956,688.80/1,319,654.80 = 612,599.20/x
  3. Step 3: Cross multiply
    956,688.80x = 1,319,654.80 × 612,599.20
  4. Step 4: Simplify right side
    956,688.80x = 808,419,474,756.16
  5. Step 5: Solve for x
    x = 808,419,474,756.16/956,688.80
  6. Step 6: Final answer
    x = 845,018.23

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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.