Home / 626,941.98-865,444.74-423,268.76

Finding the Fourth Proportional to 626,941.98, 865,444.74 and 423,268.76

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Solution

The fourth proportional to 626,941.98, 865,444.74 and 423,268.76 is: 584,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,941.98 : 865,444.74 = 423,268.76 : x
  2. Step 2: Convert to fraction form
    626,941.98/865,444.74 = 423,268.76/x
  3. Step 3: Cross multiply
    626,941.98x = 865,444.74 × 423,268.76
  4. Step 4: Simplify right side
    626,941.98x = 366,315,721,948.32
  5. Step 5: Solve for x
    x = 366,315,721,948.32/626,941.98
  6. Step 6: Final answer
    x = 584,289.67

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Double scale
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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.