Home / 514,927.91-710,623.01-285,470.60

Finding the Fourth Proportional to 514,927.91, 710,623.01 and 285,470.60

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Solution

The fourth proportional to 514,927.91, 710,623.01 and 285,470.60 is: 393,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,927.91 : 710,623.01 = 285,470.60 : x
  2. Step 2: Convert to fraction form
    514,927.91/710,623.01 = 285,470.60/x
  3. Step 3: Cross multiply
    514,927.91x = 710,623.01 × 285,470.60
  4. Step 4: Simplify right side
    514,927.91x = 202,861,974,199.07
  5. Step 5: Solve for x
    x = 202,861,974,199.07/514,927.91
  6. Step 6: Final answer
    x = 393,961.89

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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.