Home / 1,430,685.90-1,974,518.19-858,041.10

Finding the Fourth Proportional to 1,430,685.90, 1,974,518.19 and 858,041.10

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Solution

The fourth proportional to 1,430,685.90, 1,974,518.19 and 858,041.10 is: 1,184,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,685.90 : 1,974,518.19 = 858,041.10 : x
  2. Step 2: Convert to fraction form
    1,430,685.90/1,974,518.19 = 858,041.10/x
  3. Step 3: Cross multiply
    1,430,685.90x = 1,974,518.19 × 858,041.10
  4. Step 4: Simplify right side
    1,430,685.90x = 1,694,217,759,717.61
  5. Step 5: Solve for x
    x = 1,694,217,759,717.61/1,430,685.90
  6. Step 6: Final answer
    x = 1,184,199.66

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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.