Home / 646,567.95-892,291.46-360,088.05

Finding the Fourth Proportional to 646,567.95, 892,291.46 and 360,088.05

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Solution

The fourth proportional to 646,567.95, 892,291.46 and 360,088.05 is: 496,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,567.95 : 892,291.46 = 360,088.05 : x
  2. Step 2: Convert to fraction form
    646,567.95/892,291.46 = 360,088.05/x
  3. Step 3: Cross multiply
    646,567.95x = 892,291.46 × 360,088.05
  4. Step 4: Simplify right side
    646,567.95x = 321,303,490,062.61
  5. Step 5: Solve for x
    x = 321,303,490,062.61/646,567.95
  6. Step 6: Final answer
    x = 496,936.93

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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.