Home / 877,077.22-1,210,367.73-474,669.22

Finding the Fourth Proportional to 877,077.22, 1,210,367.73 and 474,669.22

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Solution

The fourth proportional to 877,077.22, 1,210,367.73 and 474,669.22 is: 655,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,077.22 : 1,210,367.73 = 474,669.22 : x
  2. Step 2: Convert to fraction form
    877,077.22/1,210,367.73 = 474,669.22/x
  3. Step 3: Cross multiply
    877,077.22x = 1,210,367.73 × 474,669.22
  4. Step 4: Simplify right side
    877,077.22x = 574,524,306,312.27
  5. Step 5: Solve for x
    x = 574,524,306,312.27/877,077.22
  6. Step 6: Final answer
    x = 655,044.15

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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.