Home / 683,328.16-1,024,995.89-448,160.05

Finding the Fourth Proportional to 683,328.16, 1,024,995.89 and 448,160.05

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Solution

The fourth proportional to 683,328.16, 1,024,995.89 and 448,160.05 is: 672,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,328.16 : 1,024,995.89 = 448,160.05 : x
  2. Step 2: Convert to fraction form
    683,328.16/1,024,995.89 = 448,160.05/x
  3. Step 3: Cross multiply
    683,328.16x = 1,024,995.89 × 448,160.05
  4. Step 4: Simplify right side
    683,328.16x = 459,362,209,312.20
  5. Step 5: Solve for x
    x = 459,362,209,312.20/683,328.16
  6. Step 6: Final answer
    x = 672,242.47

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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.