Home / 756,853.83-1,044,609.62-434,784.87

Finding the Fourth Proportional to 756,853.83, 1,044,609.62 and 434,784.87

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Solution

The fourth proportional to 756,853.83, 1,044,609.62 and 434,784.87 is: 600,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,853.83 : 1,044,609.62 = 434,784.87 : x
  2. Step 2: Convert to fraction form
    756,853.83/1,044,609.62 = 434,784.87/x
  3. Step 3: Cross multiply
    756,853.83x = 1,044,609.62 × 434,784.87
  4. Step 4: Simplify right side
    756,853.83x = 454,180,455,658.53
  5. Step 5: Solve for x
    x = 454,180,455,658.53/756,853.83
  6. Step 6: Final answer
    x = 600,090.05

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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.