Home / 877,115.76-1,210,419.33-474,707.76

Finding the Fourth Proportional to 877,115.76, 1,210,419.33 and 474,707.76

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Solution

The fourth proportional to 877,115.76, 1,210,419.33 and 474,707.76 is: 655,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,115.76 : 1,210,419.33 = 474,707.76 : x
  2. Step 2: Convert to fraction form
    877,115.76/1,210,419.33 = 474,707.76/x
  3. Step 3: Cross multiply
    877,115.76x = 1,210,419.33 × 474,707.76
  4. Step 4: Simplify right side
    877,115.76x = 574,595,448,805.00
  5. Step 5: Solve for x
    x = 574,595,448,805.00/877,115.76
  6. Step 6: Final answer
    x = 655,096.48

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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.