Home / 1,152,316.46-1,590,111.56-668,803.57

Finding the Fourth Proportional to 1,152,316.46, 1,590,111.56 and 668,803.57

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Solution

The fourth proportional to 1,152,316.46, 1,590,111.56 and 668,803.57 is: 922,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,316.46 : 1,590,111.56 = 668,803.57 : x
  2. Step 2: Convert to fraction form
    1,152,316.46/1,590,111.56 = 668,803.57/x
  3. Step 3: Cross multiply
    1,152,316.46x = 1,590,111.56 × 668,803.57
  4. Step 4: Simplify right side
    1,152,316.46x = 1,063,472,285,723.00
  5. Step 5: Solve for x
    x = 1,063,472,285,723.00/1,152,316.46
  6. Step 6: Final answer
    x = 922,899.50

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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.