Home / 691,030.64-953,599.23-400,647.57

Finding the Fourth Proportional to 691,030.64, 953,599.23 and 400,647.57

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Solution

The fourth proportional to 691,030.64, 953,599.23 and 400,647.57 is: 552,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,030.64 : 953,599.23 = 400,647.57 : x
  2. Step 2: Convert to fraction form
    691,030.64/953,599.23 = 400,647.57/x
  3. Step 3: Cross multiply
    691,030.64x = 953,599.23 × 400,647.57
  4. Step 4: Simplify right side
    691,030.64x = 382,057,210,677.37
  5. Step 5: Solve for x
    x = 382,057,210,677.37/691,030.64
  6. Step 6: Final answer
    x = 552,880.27

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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.