Home / 808,384.10-1,115,532.54-463,977.63

Finding the Fourth Proportional to 808,384.10, 1,115,532.54 and 463,977.63

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Solution

The fourth proportional to 808,384.10, 1,115,532.54 and 463,977.63 is: 640,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,384.10 : 1,115,532.54 = 463,977.63 : x
  2. Step 2: Convert to fraction form
    808,384.10/1,115,532.54 = 463,977.63/x
  3. Step 3: Cross multiply
    808,384.10x = 1,115,532.54 × 463,977.63
  4. Step 4: Simplify right side
    808,384.10x = 517,582,144,097.08
  5. Step 5: Solve for x
    x = 517,582,144,097.08/808,384.10
  6. Step 6: Final answer
    x = 640,267.60

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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.