Home / 877,562.92-1,211,039.94-475,154.92

Finding the Fourth Proportional to 877,562.92, 1,211,039.94 and 475,154.92

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Solution

The fourth proportional to 877,562.92, 1,211,039.94 and 475,154.92 is: 655,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,562.92 : 1,211,039.94 = 475,154.92 : x
  2. Step 2: Convert to fraction form
    877,562.92/1,211,039.94 = 475,154.92/x
  3. Step 3: Cross multiply
    877,562.92x = 1,211,039.94 × 475,154.92
  4. Step 4: Simplify right side
    877,562.92x = 575,431,585,807.51
  5. Step 5: Solve for x
    x = 575,431,585,807.51/877,562.92
  6. Step 6: Final answer
    x = 655,715.47

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Double scale
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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.