Home / 740,075.46-1,021,330.62-417,842.88

Finding the Fourth Proportional to 740,075.46, 1,021,330.62 and 417,842.88

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Solution

The fourth proportional to 740,075.46, 1,021,330.62 and 417,842.88 is: 576,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,075.46 : 1,021,330.62 = 417,842.88 : x
  2. Step 2: Convert to fraction form
    740,075.46/1,021,330.62 = 417,842.88/x
  3. Step 3: Cross multiply
    740,075.46x = 1,021,330.62 × 417,842.88
  4. Step 4: Simplify right side
    740,075.46x = 426,755,727,692.99
  5. Step 5: Solve for x
    x = 426,755,727,692.99/740,075.46
  6. Step 6: Final answer
    x = 576,638.13

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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.