Home / 833,681.12-1,249,210.32-644,603.36

Finding the Fourth Proportional to 833,681.12, 1,249,210.32 and 644,603.36

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Solution

The fourth proportional to 833,681.12, 1,249,210.32 and 644,603.36 is: 965,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,681.12 : 1,249,210.32 = 644,603.36 : x
  2. Step 2: Convert to fraction form
    833,681.12/1,249,210.32 = 644,603.36/x
  3. Step 3: Cross multiply
    833,681.12x = 1,249,210.32 × 644,603.36
  4. Step 4: Simplify right side
    833,681.12x = 805,245,169,618.68
  5. Step 5: Solve for x
    x = 805,245,169,618.68/833,681.12
  6. Step 6: Final answer
    x = 965,891.09

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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.