Home / 923,280.16-1,384,918.94-513,210.14

Finding the Fourth Proportional to 923,280.16, 1,384,918.94 and 513,210.14

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Solution

The fourth proportional to 923,280.16, 1,384,918.94 and 513,210.14 is: 769,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,280.16 : 1,384,918.94 = 513,210.14 : x
  2. Step 2: Convert to fraction form
    923,280.16/1,384,918.94 = 513,210.14/x
  3. Step 3: Cross multiply
    923,280.16x = 1,384,918.94 × 513,210.14
  4. Step 4: Simplify right side
    923,280.16x = 710,754,447,831.37
  5. Step 5: Solve for x
    x = 710,754,447,831.37/923,280.16
  6. Step 6: Final answer
    x = 769,814.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.