Home / 877,147.67-1,210,453.71-514,501.76

Finding the Fourth Proportional to 877,147.67, 1,210,453.71 and 514,501.76

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Solution

The fourth proportional to 877,147.67, 1,210,453.71 and 514,501.76 is: 710,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,147.67 : 1,210,453.71 = 514,501.76 : x
  2. Step 2: Convert to fraction form
    877,147.67/1,210,453.71 = 514,501.76/x
  3. Step 3: Cross multiply
    877,147.67x = 1,210,453.71 × 514,501.76
  4. Step 4: Simplify right side
    877,147.67x = 622,780,558,141.26
  5. Step 5: Solve for x
    x = 622,780,558,141.26/877,147.67
  6. Step 6: Final answer
    x = 710,006.52

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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.