Home / 745,362.30-1,028,577.51-414,217.11

Finding the Fourth Proportional to 745,362.30, 1,028,577.51 and 414,217.11

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Solution

The fourth proportional to 745,362.30, 1,028,577.51 and 414,217.11 is: 571,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,362.30 : 1,028,577.51 = 414,217.11 : x
  2. Step 2: Convert to fraction form
    745,362.30/1,028,577.51 = 414,217.11/x
  3. Step 3: Cross multiply
    745,362.30x = 1,028,577.51 × 414,217.11
  4. Step 4: Simplify right side
    745,362.30x = 426,054,403,603.20
  5. Step 5: Solve for x
    x = 426,054,403,603.20/745,362.30
  6. Step 6: Final answer
    x = 571,607.13

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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.