Home / 877,803.56-1,211,368.92-475,395.56

Finding the Fourth Proportional to 877,803.56, 1,211,368.92 and 475,395.56

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Solution

The fourth proportional to 877,803.56, 1,211,368.92 and 475,395.56 is: 656,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,803.56 : 1,211,368.92 = 475,395.56 : x
  2. Step 2: Convert to fraction form
    877,803.56/1,211,368.92 = 475,395.56/x
  3. Step 3: Cross multiply
    877,803.56x = 1,211,368.92 × 475,395.56
  4. Step 4: Simplify right side
    877,803.56x = 575,879,407,929.93
  5. Step 5: Solve for x
    x = 575,879,407,929.93/877,803.56
  6. Step 6: Final answer
    x = 656,045.88

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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.