Home / 852,833.50-1,176,909.91-490,328.22

Finding the Fourth Proportional to 852,833.50, 1,176,909.91 and 490,328.22

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Solution

The fourth proportional to 852,833.50, 1,176,909.91 and 490,328.22 is: 676,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,833.50 : 1,176,909.91 = 490,328.22 : x
  2. Step 2: Convert to fraction form
    852,833.50/1,176,909.91 = 490,328.22/x
  3. Step 3: Cross multiply
    852,833.50x = 1,176,909.91 × 490,328.22
  4. Step 4: Simplify right side
    852,833.50x = 577,072,141,270.66
  5. Step 5: Solve for x
    x = 577,072,141,270.66/852,833.50
  6. Step 6: Final answer
    x = 676,652.76

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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.