Home / 852,426.56-1,176,340.64-470,445.14

Finding the Fourth Proportional to 852,426.56, 1,176,340.64 and 470,445.14

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Solution

The fourth proportional to 852,426.56, 1,176,340.64 and 470,445.14 is: 649,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,426.56 : 1,176,340.64 = 470,445.14 : x
  2. Step 2: Convert to fraction form
    852,426.56/1,176,340.64 = 470,445.14/x
  3. Step 3: Cross multiply
    852,426.56x = 1,176,340.64 × 470,445.14
  4. Step 4: Simplify right side
    852,426.56x = 553,403,737,072.49
  5. Step 5: Solve for x
    x = 553,403,737,072.49/852,426.56
  6. Step 6: Final answer
    x = 649,209.87

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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.