Home / 874,588.80-1,312,466.40-401,030.40

Finding the Fourth Proportional to 874,588.80, 1,312,466.40 and 401,030.40

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Solution

The fourth proportional to 874,588.80, 1,312,466.40 and 401,030.40 is: 601,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,588.80 : 1,312,466.40 = 401,030.40 : x
  2. Step 2: Convert to fraction form
    874,588.80/1,312,466.40 = 401,030.40/x
  3. Step 3: Cross multiply
    874,588.80x = 1,312,466.40 × 401,030.40
  4. Step 4: Simplify right side
    874,588.80x = 526,338,925,378.56
  5. Step 5: Solve for x
    x = 526,338,925,378.56/874,588.80
  6. Step 6: Final answer
    x = 601,813.02

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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.