Home / 935,186.50-1,290,557.56-505,465.30

Finding the Fourth Proportional to 935,186.50, 1,290,557.56 and 505,465.30

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Solution

The fourth proportional to 935,186.50, 1,290,557.56 and 505,465.30 is: 697,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,186.50 : 1,290,557.56 = 505,465.30 : x
  2. Step 2: Convert to fraction form
    935,186.50/1,290,557.56 = 505,465.30/x
  3. Step 3: Cross multiply
    935,186.50x = 1,290,557.56 × 505,465.30
  4. Step 4: Simplify right side
    935,186.50x = 652,332,064,232.67
  5. Step 5: Solve for x
    x = 652,332,064,232.67/935,186.50
  6. Step 6: Final answer
    x = 697,542.22

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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.