Home / 874,606.30-1,312,492.65-401,047.90

Finding the Fourth Proportional to 874,606.30, 1,312,492.65 and 401,047.90

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Solution

The fourth proportional to 874,606.30, 1,312,492.65 and 401,047.90 is: 601,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,606.30 : 1,312,492.65 = 401,047.90 : x
  2. Step 2: Convert to fraction form
    874,606.30/1,312,492.65 = 401,047.90/x
  3. Step 3: Cross multiply
    874,606.30x = 1,312,492.65 × 401,047.90
  4. Step 4: Simplify right side
    874,606.30x = 526,372,421,047.94
  5. Step 5: Solve for x
    x = 526,372,421,047.94/874,606.30
  6. Step 6: Final answer
    x = 601,839.27

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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.