Home / 942,210.16-1,300,132.16-636,950.56

Finding the Fourth Proportional to 942,210.16, 1,300,132.16 and 636,950.56

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Solution

The fourth proportional to 942,210.16, 1,300,132.16 and 636,950.56 is: 878,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,210.16 : 1,300,132.16 = 636,950.56 : x
  2. Step 2: Convert to fraction form
    942,210.16/1,300,132.16 = 636,950.56/x
  3. Step 3: Cross multiply
    942,210.16x = 1,300,132.16 × 636,950.56
  4. Step 4: Simplify right side
    942,210.16x = 828,119,907,386.01
  5. Step 5: Solve for x
    x = 828,119,907,386.01/942,210.16
  6. Step 6: Final answer
    x = 878,912.10

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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.