Home / 626,970.60-865,484.15-423,297.27

Finding the Fourth Proportional to 626,970.60, 865,484.15 and 423,297.27

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Solution

The fourth proportional to 626,970.60, 865,484.15 and 423,297.27 is: 584,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,970.60 : 865,484.15 = 423,297.27 : x
  2. Step 2: Convert to fraction form
    626,970.60/865,484.15 = 423,297.27/x
  3. Step 3: Cross multiply
    626,970.60x = 865,484.15 × 423,297.27
  4. Step 4: Simplify right side
    626,970.60x = 366,357,075,806.78
  5. Step 5: Solve for x
    x = 366,357,075,806.78/626,970.60
  6. Step 6: Final answer
    x = 584,328.96

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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.