Home / 877,126.23-1,210,433.85-474,718.23

Finding the Fourth Proportional to 877,126.23, 1,210,433.85 and 474,718.23

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Solution

The fourth proportional to 877,126.23, 1,210,433.85 and 474,718.23 is: 655,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,126.23 : 1,210,433.85 = 474,718.23 : x
  2. Step 2: Convert to fraction form
    877,126.23/1,210,433.85 = 474,718.23/x
  3. Step 3: Cross multiply
    877,126.23x = 1,210,433.85 × 474,718.23
  4. Step 4: Simplify right side
    877,126.23x = 574,615,014,804.09
  5. Step 5: Solve for x
    x = 574,615,014,804.09/877,126.23
  6. Step 6: Final answer
    x = 655,110.97

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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.