Home / 1,392,531.50-1,922,322.98-877,043

Finding the Fourth Proportional to 1,392,531.50, 1,922,322.98 and 877,043

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Solution

The fourth proportional to 1,392,531.50, 1,922,322.98 and 877,043 is: 1,210,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,531.50 : 1,922,322.98 = 877,043 : x
  2. Step 2: Convert to fraction form
    1,392,531.50/1,922,322.98 = 877,043/x
  3. Step 3: Cross multiply
    1,392,531.50x = 1,922,322.98 × 877,043
  4. Step 4: Simplify right side
    1,392,531.50x = 1,685,959,913,348.14
  5. Step 5: Solve for x
    x = 1,685,959,913,348.14/1,392,531.50
  6. Step 6: Final answer
    x = 1,210,715.82

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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.