Home / 922,423.19-1,272,945.64-508,950.50

Finding the Fourth Proportional to 922,423.19, 1,272,945.64 and 508,950.50

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Solution

The fourth proportional to 922,423.19, 1,272,945.64 and 508,950.50 is: 702,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,423.19 : 1,272,945.64 = 508,950.50 : x
  2. Step 2: Convert to fraction form
    922,423.19/1,272,945.64 = 508,950.50/x
  3. Step 3: Cross multiply
    922,423.19x = 1,272,945.64 × 508,950.50
  4. Step 4: Simplify right side
    922,423.19x = 647,866,312,313.72
  5. Step 5: Solve for x
    x = 647,866,312,313.72/922,423.19
  6. Step 6: Final answer
    x = 702,352.58

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1.5x scale

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.