Home / 1,407,283.40-2,111,056.59-396,403.74

Finding the Fourth Proportional to 1,407,283.40, 2,111,056.59 and 396,403.74

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Solution

The fourth proportional to 1,407,283.40, 2,111,056.59 and 396,403.74 is: 594,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,283.40 : 2,111,056.59 = 396,403.74 : x
  2. Step 2: Convert to fraction form
    1,407,283.40/2,111,056.59 = 396,403.74/x
  3. Step 3: Cross multiply
    1,407,283.40x = 2,111,056.59 × 396,403.74
  4. Step 4: Simplify right side
    1,407,283.40x = 836,830,727,627.65
  5. Step 5: Solve for x
    x = 836,830,727,627.65/1,407,283.40
  6. Step 6: Final answer
    x = 594,642.65

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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.