Home / 847,782.08-1,169,938.32-465,807.92

Finding the Fourth Proportional to 847,782.08, 1,169,938.32 and 465,807.92

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Solution

The fourth proportional to 847,782.08, 1,169,938.32 and 465,807.92 is: 642,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,782.08 : 1,169,938.32 = 465,807.92 : x
  2. Step 2: Convert to fraction form
    847,782.08/1,169,938.32 = 465,807.92/x
  3. Step 3: Cross multiply
    847,782.08x = 1,169,938.32 × 465,807.92
  4. Step 4: Simplify right side
    847,782.08x = 544,966,535,367.49
  5. Step 5: Solve for x
    x = 544,966,535,367.49/847,782.08
  6. Step 6: Final answer
    x = 642,814.41

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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.