Home / 1,430,686.65-1,974,519.23-858,041.85

Finding the Fourth Proportional to 1,430,686.65, 1,974,519.23 and 858,041.85

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Solution

The fourth proportional to 1,430,686.65, 1,974,519.23 and 858,041.85 is: 1,184,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,686.65 : 1,974,519.23 = 858,041.85 : x
  2. Step 2: Convert to fraction form
    1,430,686.65/1,974,519.23 = 858,041.85/x
  3. Step 3: Cross multiply
    1,430,686.65x = 1,974,519.23 × 858,041.85
  4. Step 4: Simplify right side
    1,430,686.65x = 1,694,220,128,679.57
  5. Step 5: Solve for x
    x = 1,694,220,128,679.57/1,430,686.65
  6. Step 6: Final answer
    x = 1,184,200.70

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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.