Home / 649,860.06-975,020.95-289,998.17

Finding the Fourth Proportional to 649,860.06, 975,020.95 and 289,998.17

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Solution

The fourth proportional to 649,860.06, 975,020.95 and 289,998.17 is: 435,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,860.06 : 975,020.95 = 289,998.17 : x
  2. Step 2: Convert to fraction form
    649,860.06/975,020.95 = 289,998.17/x
  3. Step 3: Cross multiply
    649,860.06x = 975,020.95 × 289,998.17
  4. Step 4: Simplify right side
    649,860.06x = 282,754,294,208.64
  5. Step 5: Solve for x
    x = 282,754,294,208.64/649,860.06
  6. Step 6: Final answer
    x = 435,100.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.