Home / 623,075.02-859,822.77-393,754.66

Finding the Fourth Proportional to 623,075.02, 859,822.77 and 393,754.66

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Solution

The fourth proportional to 623,075.02, 859,822.77 and 393,754.66 is: 543,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,075.02 : 859,822.77 = 393,754.66 : x
  2. Step 2: Convert to fraction form
    623,075.02/859,822.77 = 393,754.66/x
  3. Step 3: Cross multiply
    623,075.02x = 859,822.77 × 393,754.66
  4. Step 4: Simplify right side
    623,075.02x = 338,559,222,461.61
  5. Step 5: Solve for x
    x = 338,559,222,461.61/623,075.02
  6. Step 6: Final answer
    x = 543,368.31

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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.