Home / 942,657.75-1,300,856.76-512,930.48

Finding the Fourth Proportional to 942,657.75, 1,300,856.76 and 512,930.48

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Solution

The fourth proportional to 942,657.75, 1,300,856.76 and 512,930.48 is: 707,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,657.75 : 1,300,856.76 = 512,930.48 : x
  2. Step 2: Convert to fraction form
    942,657.75/1,300,856.76 = 512,930.48/x
  3. Step 3: Cross multiply
    942,657.75x = 1,300,856.76 × 512,930.48
  4. Step 4: Simplify right side
    942,657.75x = 667,249,075,813.76
  5. Step 5: Solve for x
    x = 667,249,075,813.76/942,657.75
  6. Step 6: Final answer
    x = 707,838.11

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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.