Home / 637,351.70-879,433.49-382,708.36

Finding the Fourth Proportional to 637,351.70, 879,433.49 and 382,708.36

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Solution

The fourth proportional to 637,351.70, 879,433.49 and 382,708.36 is: 528,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,351.70 : 879,433.49 = 382,708.36 : x
  2. Step 2: Convert to fraction form
    637,351.70/879,433.49 = 382,708.36/x
  3. Step 3: Cross multiply
    637,351.70x = 879,433.49 × 382,708.36
  4. Step 4: Simplify right side
    637,351.70x = 336,566,547,445.16
  5. Step 5: Solve for x
    x = 336,566,547,445.16/637,351.70
  6. Step 6: Final answer
    x = 528,070.37

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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.