Home / 955,088.20-1,318,014.34-525,358.90

Finding the Fourth Proportional to 955,088.20, 1,318,014.34 and 525,358.90

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Solution

The fourth proportional to 955,088.20, 1,318,014.34 and 525,358.90 is: 724,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,088.20 : 1,318,014.34 = 525,358.90 : x
  2. Step 2: Convert to fraction form
    955,088.20/1,318,014.34 = 525,358.90/x
  3. Step 3: Cross multiply
    955,088.20x = 1,318,014.34 × 525,358.90
  4. Step 4: Simplify right side
    955,088.20x = 692,430,563,846.63
  5. Step 5: Solve for x
    x = 692,430,563,846.63/955,088.20
  6. Step 6: Final answer
    x = 724,991.22

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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.