Home / 730,461.77-1,008,017.90-408,174.51

Finding the Fourth Proportional to 730,461.77, 1,008,017.90 and 408,174.51

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Solution

The fourth proportional to 730,461.77, 1,008,017.90 and 408,174.51 is: 563,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,461.77 : 1,008,017.90 = 408,174.51 : x
  2. Step 2: Convert to fraction form
    730,461.77/1,008,017.90 = 408,174.51/x
  3. Step 3: Cross multiply
    730,461.77x = 1,008,017.90 × 408,174.51
  4. Step 4: Simplify right side
    730,461.77x = 411,447,210,362.86
  5. Step 5: Solve for x
    x = 411,447,210,362.86/730,461.77
  6. Step 6: Final answer
    x = 563,270.02

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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.