Home / 710,426.36-1,060,457.09-620,744.76

Finding the Fourth Proportional to 710,426.36, 1,060,457.09 and 620,744.76

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Solution

The fourth proportional to 710,426.36, 1,060,457.09 and 620,744.76 is: 926,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,426.36 : 1,060,457.09 = 620,744.76 : x
  2. Step 2: Convert to fraction form
    710,426.36/1,060,457.09 = 620,744.76/x
  3. Step 3: Cross multiply
    710,426.36x = 1,060,457.09 × 620,744.76
  4. Step 4: Simplify right side
    710,426.36x = 658,273,181,822.35
  5. Step 5: Solve for x
    x = 658,273,181,822.35/710,426.36
  6. Step 6: Final answer
    x = 926,588.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.