Home / 852,512.45-1,176,383.36-470,514.60

Finding the Fourth Proportional to 852,512.45, 1,176,383.36 and 470,514.60

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Solution

The fourth proportional to 852,512.45, 1,176,383.36 and 470,514.60 is: 649,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,512.45 : 1,176,383.36 = 470,514.60 : x
  2. Step 2: Convert to fraction form
    852,512.45/1,176,383.36 = 470,514.60/x
  3. Step 3: Cross multiply
    852,512.45x = 1,176,383.36 × 470,514.60
  4. Step 4: Simplify right side
    852,512.45x = 553,505,547,253.34
  5. Step 5: Solve for x
    x = 553,505,547,253.34/852,512.45
  6. Step 6: Final answer
    x = 649,263.89

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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.