Home / 852,835.50-1,176,912.66-490,330.23

Finding the Fourth Proportional to 852,835.50, 1,176,912.66 and 490,330.23

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Solution

The fourth proportional to 852,835.50, 1,176,912.66 and 490,330.23 is: 676,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,835.50 : 1,176,912.66 = 490,330.23 : x
  2. Step 2: Convert to fraction form
    852,835.50/1,176,912.66 = 490,330.23/x
  3. Step 3: Cross multiply
    852,835.50x = 1,176,912.66 × 490,330.23
  4. Step 4: Simplify right side
    852,835.50x = 577,075,855,267.71
  5. Step 5: Solve for x
    x = 577,075,855,267.71/852,835.50
  6. Step 6: Final answer
    x = 676,655.53

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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.