Home / 852,513.57-1,176,384.87-470,515.77

Finding the Fourth Proportional to 852,513.57, 1,176,384.87 and 470,515.77

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Solution

The fourth proportional to 852,513.57, 1,176,384.87 and 470,515.77 is: 649,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,513.57 : 1,176,384.87 = 470,515.77 : x
  2. Step 2: Convert to fraction form
    852,513.57/1,176,384.87 = 470,515.77/x
  3. Step 3: Cross multiply
    852,513.57x = 1,176,384.87 × 470,515.77
  4. Step 4: Simplify right side
    852,513.57x = 553,507,632,924.40
  5. Step 5: Solve for x
    x = 553,507,632,924.40/852,513.57
  6. Step 6: Final answer
    x = 649,265.48

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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.