Home / 1,257,465.16-1,735,302.12-684,509.64

Finding the Fourth Proportional to 1,257,465.16, 1,735,302.12 and 684,509.64

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Solution

The fourth proportional to 1,257,465.16, 1,735,302.12 and 684,509.64 is: 944,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,465.16 : 1,735,302.12 = 684,509.64 : x
  2. Step 2: Convert to fraction form
    1,257,465.16/1,735,302.12 = 684,509.64/x
  3. Step 3: Cross multiply
    1,257,465.16x = 1,735,302.12 × 684,509.64
  4. Step 4: Simplify right side
    1,257,465.16x = 1,187,831,020,775.93
  5. Step 5: Solve for x
    x = 1,187,831,020,775.93/1,257,465.16
  6. Step 6: Final answer
    x = 944,623.40

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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.