Home / 670,895.76-1,006,810.20-433,650

Finding the Fourth Proportional to 670,895.76, 1,006,810.20 and 433,650

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Solution

The fourth proportional to 670,895.76, 1,006,810.20 and 433,650 is: 650,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,895.76 : 1,006,810.20 = 433,650 : x
  2. Step 2: Convert to fraction form
    670,895.76/1,006,810.20 = 433,650/x
  3. Step 3: Cross multiply
    670,895.76x = 1,006,810.20 × 433,650
  4. Step 4: Simplify right side
    670,895.76x = 436,603,243,230
  5. Step 5: Solve for x
    x = 436,603,243,230/670,895.76
  6. Step 6: Final answer
    x = 650,776.57

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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.