Home / 900,089.11-1,241,537.70-577,287.91

Finding the Fourth Proportional to 900,089.11, 1,241,537.70 and 577,287.91

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Solution

The fourth proportional to 900,089.11, 1,241,537.70 and 577,287.91 is: 796,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,089.11 : 1,241,537.70 = 577,287.91 : x
  2. Step 2: Convert to fraction form
    900,089.11/1,241,537.70 = 577,287.91/x
  3. Step 3: Cross multiply
    900,089.11x = 1,241,537.70 × 577,287.91
  4. Step 4: Simplify right side
    900,089.11x = 716,724,704,019.21
  5. Step 5: Solve for x
    x = 716,724,704,019.21/900,089.11
  6. Step 6: Final answer
    x = 796,281.94

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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.