Home / 944,854.90-1,303,907.40-515,138.16

Finding the Fourth Proportional to 944,854.90, 1,303,907.40 and 515,138.16

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Solution

The fourth proportional to 944,854.90, 1,303,907.40 and 515,138.16 is: 710,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,854.90 : 1,303,907.40 = 515,138.16 : x
  2. Step 2: Convert to fraction form
    944,854.90/1,303,907.40 = 515,138.16/x
  3. Step 3: Cross multiply
    944,854.90x = 1,303,907.40 × 515,138.16
  4. Step 4: Simplify right side
    944,854.90x = 671,692,458,846.38
  5. Step 5: Solve for x
    x = 671,692,458,846.38/944,854.90
  6. Step 6: Final answer
    x = 710,894.83

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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.