Home / 935,219.04-1,290,601.50-505,499.16

Finding the Fourth Proportional to 935,219.04, 1,290,601.50 and 505,499.16

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Solution

The fourth proportional to 935,219.04, 1,290,601.50 and 505,499.16 is: 697,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,219.04 : 1,290,601.50 = 505,499.16 : x
  2. Step 2: Convert to fraction form
    935,219.04/1,290,601.50 = 505,499.16/x
  3. Step 3: Cross multiply
    935,219.04x = 1,290,601.50 × 505,499.16
  4. Step 4: Simplify right side
    935,219.04x = 652,397,978,094.64
  5. Step 5: Solve for x
    x = 652,397,978,094.64/935,219.04
  6. Step 6: Final answer
    x = 697,588.43

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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.