Home / 866,019.07-1,195,058.01-478,812.07

Finding the Fourth Proportional to 866,019.07, 1,195,058.01 and 478,812.07

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Solution

The fourth proportional to 866,019.07, 1,195,058.01 and 478,812.07 is: 660,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,019.07 : 1,195,058.01 = 478,812.07 : x
  2. Step 2: Convert to fraction form
    866,019.07/1,195,058.01 = 478,812.07/x
  3. Step 3: Cross multiply
    866,019.07x = 1,195,058.01 × 478,812.07
  4. Step 4: Simplify right side
    866,019.07x = 572,208,199,538.18
  5. Step 5: Solve for x
    x = 572,208,199,538.18/866,019.07
  6. Step 6: Final answer
    x = 660,733.95

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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.