Home / 912,281.34-1,368,645.16-642,935.02

Finding the Fourth Proportional to 912,281.34, 1,368,645.16 and 642,935.02

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Solution

The fourth proportional to 912,281.34, 1,368,645.16 and 642,935.02 is: 964,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,281.34 : 1,368,645.16 = 642,935.02 : x
  2. Step 2: Convert to fraction form
    912,281.34/1,368,645.16 = 642,935.02/x
  3. Step 3: Cross multiply
    912,281.34x = 1,368,645.16 × 642,935.02
  4. Step 4: Simplify right side
    912,281.34x = 879,949,903,317.50
  5. Step 5: Solve for x
    x = 879,949,903,317.50/912,281.34
  6. Step 6: Final answer
    x = 964,559.80

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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.