Home / 780,573.95-1,171,880.65-626,782.07

Finding the Fourth Proportional to 780,573.95, 1,171,880.65 and 626,782.07

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Solution

The fourth proportional to 780,573.95, 1,171,880.65 and 626,782.07 is: 940,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,573.95 : 1,171,880.65 = 626,782.07 : x
  2. Step 2: Convert to fraction form
    780,573.95/1,171,880.65 = 626,782.07/x
  3. Step 3: Cross multiply
    780,573.95x = 1,171,880.65 × 626,782.07
  4. Step 4: Simplify right side
    780,573.95x = 734,513,779,599.95
  5. Step 5: Solve for x
    x = 734,513,779,599.95/780,573.95
  6. Step 6: Final answer
    x = 940,991.92

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1.5x scale

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.