Home / 437,927.57-604,340.51-256,603.40

Finding the Fourth Proportional to 437,927.57, 604,340.51 and 256,603.40

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Solution

The fourth proportional to 437,927.57, 604,340.51 and 256,603.40 is: 354,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,927.57 : 604,340.51 = 256,603.40 : x
  2. Step 2: Convert to fraction form
    437,927.57/604,340.51 = 256,603.40/x
  3. Step 3: Cross multiply
    437,927.57x = 604,340.51 × 256,603.40
  4. Step 4: Simplify right side
    437,927.57x = 155,075,825,319.01
  5. Step 5: Solve for x
    x = 155,075,825,319.01/437,927.57
  6. Step 6: Final answer
    x = 354,112.96

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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.