Home / 824,756.32-1,237,328.14-256,108.06

Finding the Fourth Proportional to 824,756.32, 1,237,328.14 and 256,108.06

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Solution

The fourth proportional to 824,756.32, 1,237,328.14 and 256,108.06 is: 384,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,756.32 : 1,237,328.14 = 256,108.06 : x
  2. Step 2: Convert to fraction form
    824,756.32/1,237,328.14 = 256,108.06/x
  3. Step 3: Cross multiply
    824,756.32x = 1,237,328.14 × 256,108.06
  4. Step 4: Simplify right side
    824,756.32x = 316,889,709,518.81
  5. Step 5: Solve for x
    x = 316,889,709,518.81/824,756.32
  6. Step 6: Final answer
    x = 384,222.23

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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.