Home / 1,205,409.23-1,808,113.85-572,403.95

Finding the Fourth Proportional to 1,205,409.23, 1,808,113.85 and 572,403.95

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Solution

The fourth proportional to 1,205,409.23, 1,808,113.85 and 572,403.95 is: 858,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,409.23 : 1,808,113.85 = 572,403.95 : x
  2. Step 2: Convert to fraction form
    1,205,409.23/1,808,113.85 = 572,403.95/x
  3. Step 3: Cross multiply
    1,205,409.23x = 1,808,113.85 × 572,403.95
  4. Step 4: Simplify right side
    1,205,409.23x = 1,034,971,513,594.49
  5. Step 5: Solve for x
    x = 1,034,971,513,594.49/1,205,409.23
  6. Step 6: Final answer
    x = 858,605.93

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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.