Home / 413,920.24-623,646.28-373,985.64

Finding the Fourth Proportional to 413,920.24, 623,646.28 and 373,985.64

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Solution

The fourth proportional to 413,920.24, 623,646.28 and 373,985.64 is: 563,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,920.24 : 623,646.28 = 373,985.64 : x
  2. Step 2: Convert to fraction form
    413,920.24/623,646.28 = 373,985.64/x
  3. Step 3: Cross multiply
    413,920.24x = 623,646.28 × 373,985.64
  4. Step 4: Simplify right side
    413,920.24x = 233,234,753,159.42
  5. Step 5: Solve for x
    x = 233,234,753,159.42/413,920.24
  6. Step 6: Final answer
    x = 563,477.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.