Home / 826,479.53-1,140,558.67-463,929.60

Finding the Fourth Proportional to 826,479.53, 1,140,558.67 and 463,929.60

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Solution

The fourth proportional to 826,479.53, 1,140,558.67 and 463,929.60 is: 640,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,479.53 : 1,140,558.67 = 463,929.60 : x
  2. Step 2: Convert to fraction form
    826,479.53/1,140,558.67 = 463,929.60/x
  3. Step 3: Cross multiply
    826,479.53x = 1,140,558.67 × 463,929.60
  4. Step 4: Simplify right side
    826,479.53x = 529,138,927,549.63
  5. Step 5: Solve for x
    x = 529,138,927,549.63/826,479.53
  6. Step 6: Final answer
    x = 640,232.34

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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.