Home / 1,402,359.40-2,100,428.70-736,733.80

Finding the Fourth Proportional to 1,402,359.40, 2,100,428.70 and 736,733.80

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Solution

The fourth proportional to 1,402,359.40, 2,100,428.70 and 736,733.80 is: 1,103,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,359.40 : 2,100,428.70 = 736,733.80 : x
  2. Step 2: Convert to fraction form
    1,402,359.40/2,100,428.70 = 736,733.80/x
  3. Step 3: Cross multiply
    1,402,359.40x = 2,100,428.70 × 736,733.80
  4. Step 4: Simplify right side
    1,402,359.40x = 1,547,456,817,780.06
  5. Step 5: Solve for x
    x = 1,547,456,817,780.06/1,402,359.40
  6. Step 6: Final answer
    x = 1,103,466.64

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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.