Home / 1,111,332.33-1,666,804.74-312,423.96

Finding the Fourth Proportional to 1,111,332.33, 1,666,804.74 and 312,423.96

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Solution

The fourth proportional to 1,111,332.33, 1,666,804.74 and 312,423.96 is: 468,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,332.33 : 1,666,804.74 = 312,423.96 : x
  2. Step 2: Convert to fraction form
    1,111,332.33/1,666,804.74 = 312,423.96/x
  3. Step 3: Cross multiply
    1,111,332.33x = 1,666,804.74 × 312,423.96
  4. Step 4: Simplify right side
    1,111,332.33x = 520,749,737,808.61
  5. Step 5: Solve for x
    x = 520,749,737,808.61/1,111,332.33
  6. Step 6: Final answer
    x = 468,581.47

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1.5x scale

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.