Home / 626,561.34-864,631.49-340,075.32

Finding the Fourth Proportional to 626,561.34, 864,631.49 and 340,075.32

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Solution

The fourth proportional to 626,561.34, 864,631.49 and 340,075.32 is: 469,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,561.34 : 864,631.49 = 340,075.32 : x
  2. Step 2: Convert to fraction form
    626,561.34/864,631.49 = 340,075.32/x
  3. Step 3: Cross multiply
    626,561.34x = 864,631.49 × 340,075.32
  4. Step 4: Simplify right side
    626,561.34x = 294,039,828,943.45
  5. Step 5: Solve for x
    x = 294,039,828,943.45/626,561.34
  6. Step 6: Final answer
    x = 469,291.37

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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.