Home / 931,501.23-1,285,607.84-523,636.66

Finding the Fourth Proportional to 931,501.23, 1,285,607.84 and 523,636.66

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Solution

The fourth proportional to 931,501.23, 1,285,607.84 and 523,636.66 is: 722,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,501.23 : 1,285,607.84 = 523,636.66 : x
  2. Step 2: Convert to fraction form
    931,501.23/1,285,607.84 = 523,636.66/x
  3. Step 3: Cross multiply
    931,501.23x = 1,285,607.84 × 523,636.66
  4. Step 4: Simplify right side
    931,501.23x = 673,191,395,407.41
  5. Step 5: Solve for x
    x = 673,191,395,407.41/931,501.23
  6. Step 6: Final answer
    x = 722,695.12

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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.