Home / 938,420.34-1,407,827.34-406,017.06

Finding the Fourth Proportional to 938,420.34, 1,407,827.34 and 406,017.06

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Solution

The fourth proportional to 938,420.34, 1,407,827.34 and 406,017.06 is: 609,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,420.34 : 1,407,827.34 = 406,017.06 : x
  2. Step 2: Convert to fraction form
    938,420.34/1,407,827.34 = 406,017.06/x
  3. Step 3: Cross multiply
    938,420.34x = 1,407,827.34 × 406,017.06
  4. Step 4: Simplify right side
    938,420.34x = 571,601,917,574.42
  5. Step 5: Solve for x
    x = 571,601,917,574.42/938,420.34
  6. Step 6: Final answer
    x = 609,110.75

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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.