Home / 658,364.76-908,934.93-416,854.35

Finding the Fourth Proportional to 658,364.76, 908,934.93 and 416,854.35

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Solution

The fourth proportional to 658,364.76, 908,934.93 and 416,854.35 is: 575,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,364.76 : 908,934.93 = 416,854.35 : x
  2. Step 2: Convert to fraction form
    658,364.76/908,934.93 = 416,854.35/x
  3. Step 3: Cross multiply
    658,364.76x = 908,934.93 × 416,854.35
  4. Step 4: Simplify right side
    658,364.76x = 378,893,479,437.45
  5. Step 5: Solve for x
    x = 378,893,479,437.45/658,364.76
  6. Step 6: Final answer
    x = 575,506.93

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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.