Home / 760,573.20-1,049,603.46-416,403.40

Finding the Fourth Proportional to 760,573.20, 1,049,603.46 and 416,403.40

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Solution

The fourth proportional to 760,573.20, 1,049,603.46 and 416,403.40 is: 574,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,573.20 : 1,049,603.46 = 416,403.40 : x
  2. Step 2: Convert to fraction form
    760,573.20/1,049,603.46 = 416,403.40/x
  3. Step 3: Cross multiply
    760,573.20x = 1,049,603.46 × 416,403.40
  4. Step 4: Simplify right side
    760,573.20x = 437,058,449,395.76
  5. Step 5: Solve for x
    x = 437,058,449,395.76/760,573.20
  6. Step 6: Final answer
    x = 574,643.50

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Double scale
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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.