Home / 963,572.40-1,444,775.40-430,994.16

Finding the Fourth Proportional to 963,572.40, 1,444,775.40 and 430,994.16

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Solution

The fourth proportional to 963,572.40, 1,444,775.40 and 430,994.16 is: 646,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,572.40 : 1,444,775.40 = 430,994.16 : x
  2. Step 2: Convert to fraction form
    963,572.40/1,444,775.40 = 430,994.16/x
  3. Step 3: Cross multiply
    963,572.40x = 1,444,775.40 × 430,994.16
  4. Step 4: Simplify right side
    963,572.40x = 622,689,759,911.66
  5. Step 5: Solve for x
    x = 622,689,759,911.66/963,572.40
  6. Step 6: Final answer
    x = 646,230.38

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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.