Home / 930,430.37-1,284,024.87-522,604.14

Finding the Fourth Proportional to 930,430.37, 1,284,024.87 and 522,604.14

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Solution

The fourth proportional to 930,430.37, 1,284,024.87 and 522,604.14 is: 721,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,430.37 : 1,284,024.87 = 522,604.14 : x
  2. Step 2: Convert to fraction form
    930,430.37/1,284,024.87 = 522,604.14/x
  3. Step 3: Cross multiply
    930,430.37x = 1,284,024.87 × 522,604.14
  4. Step 4: Simplify right side
    930,430.37x = 671,036,712,924.96
  5. Step 5: Solve for x
    x = 671,036,712,924.96/930,430.37
  6. Step 6: Final answer
    x = 721,211.11

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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.