Home / 1,584,495.50-2,186,607.39-905,430.38

Finding the Fourth Proportional to 1,584,495.50, 2,186,607.39 and 905,430.38

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Solution

The fourth proportional to 1,584,495.50, 2,186,607.39 and 905,430.38 is: 1,249,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,495.50 : 2,186,607.39 = 905,430.38 : x
  2. Step 2: Convert to fraction form
    1,584,495.50/2,186,607.39 = 905,430.38/x
  3. Step 3: Cross multiply
    1,584,495.50x = 2,186,607.39 × 905,430.38
  4. Step 4: Simplify right side
    1,584,495.50x = 1,979,820,760,038.51
  5. Step 5: Solve for x
    x = 1,979,820,760,038.51/1,584,495.50
  6. Step 6: Final answer
    x = 1,249,495.98

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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.