Home / 609,623.04-841,571.52-406,012.80

Finding the Fourth Proportional to 609,623.04, 841,571.52 and 406,012.80

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Solution

The fourth proportional to 609,623.04, 841,571.52 and 406,012.80 is: 560,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,623.04 : 841,571.52 = 406,012.80 : x
  2. Step 2: Convert to fraction form
    609,623.04/841,571.52 = 406,012.80/x
  3. Step 3: Cross multiply
    609,623.04x = 841,571.52 × 406,012.80
  4. Step 4: Simplify right side
    609,623.04x = 341,688,809,235.46
  5. Step 5: Solve for x
    x = 341,688,809,235.46/609,623.04
  6. Step 6: Final answer
    x = 560,491.95

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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.