Home / 776,669.22-1,162,510.65-416,339.10

Finding the Fourth Proportional to 776,669.22, 1,162,510.65 and 416,339.10

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Solution

The fourth proportional to 776,669.22, 1,162,510.65 and 416,339.10 is: 623,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,669.22 : 1,162,510.65 = 416,339.10 : x
  2. Step 2: Convert to fraction form
    776,669.22/1,162,510.65 = 416,339.10/x
  3. Step 3: Cross multiply
    776,669.22x = 1,162,510.65 × 416,339.10
  4. Step 4: Simplify right side
    776,669.22x = 483,998,637,761.42
  5. Step 5: Solve for x
    x = 483,998,637,761.42/776,669.22
  6. Step 6: Final answer
    x = 623,172.16

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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.