Home / 1,696,428.81-2,544,641.59-434,254.41

Finding the Fourth Proportional to 1,696,428.81, 2,544,641.59 and 434,254.41

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Solution

The fourth proportional to 1,696,428.81, 2,544,641.59 and 434,254.41 is: 651,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,428.81 : 2,544,641.59 = 434,254.41 : x
  2. Step 2: Convert to fraction form
    1,696,428.81/2,544,641.59 = 434,254.41/x
  3. Step 3: Cross multiply
    1,696,428.81x = 2,544,641.59 × 434,254.41
  4. Step 4: Simplify right side
    1,696,428.81x = 1,105,021,832,326.91
  5. Step 5: Solve for x
    x = 1,105,021,832,326.91/1,696,428.81
  6. Step 6: Final answer
    x = 651,381.20

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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.