Home / 1,123,772.64-1,685,307.60-375,643.68

Finding the Fourth Proportional to 1,123,772.64, 1,685,307.60 and 375,643.68

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Solution

The fourth proportional to 1,123,772.64, 1,685,307.60 and 375,643.68 is: 563,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,772.64 : 1,685,307.60 = 375,643.68 : x
  2. Step 2: Convert to fraction form
    1,123,772.64/1,685,307.60 = 375,643.68/x
  3. Step 3: Cross multiply
    1,123,772.64x = 1,685,307.60 × 375,643.68
  4. Step 4: Simplify right side
    1,123,772.64x = 633,075,148,795.97
  5. Step 5: Solve for x
    x = 633,075,148,795.97/1,123,772.64
  6. Step 6: Final answer
    x = 563,348.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.