Home / 514,279.07-709,651.09-284,830.35

Finding the Fourth Proportional to 514,279.07, 709,651.09 and 284,830.35

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Solution

The fourth proportional to 514,279.07, 709,651.09 and 284,830.35 is: 393,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,279.07 : 709,651.09 = 284,830.35 : x
  2. Step 2: Convert to fraction form
    514,279.07/709,651.09 = 284,830.35/x
  3. Step 3: Cross multiply
    514,279.07x = 709,651.09 × 284,830.35
  4. Step 4: Simplify right side
    514,279.07x = 202,130,164,794.33
  5. Step 5: Solve for x
    x = 202,130,164,794.33/514,279.07
  6. Step 6: Final answer
    x = 393,035.95

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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.