Home / 936,602.20-1,292,510.52-528,707.57

Finding the Fourth Proportional to 936,602.20, 1,292,510.52 and 528,707.57

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Solution

The fourth proportional to 936,602.20, 1,292,510.52 and 528,707.57 is: 729,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,602.20 : 1,292,510.52 = 528,707.57 : x
  2. Step 2: Convert to fraction form
    936,602.20/1,292,510.52 = 528,707.57/x
  3. Step 3: Cross multiply
    936,602.20x = 1,292,510.52 × 528,707.57
  4. Step 4: Simplify right side
    936,602.20x = 683,360,096,228.64
  5. Step 5: Solve for x
    x = 683,360,096,228.64/936,602.20
  6. Step 6: Final answer
    x = 729,616.16

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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.