Home / 760,574.40-1,049,263.20-458,600.64

Finding the Fourth Proportional to 760,574.40, 1,049,263.20 and 458,600.64

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Solution

The fourth proportional to 760,574.40, 1,049,263.20 and 458,600.64 is: 632,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,574.40 : 1,049,263.20 = 458,600.64 : x
  2. Step 2: Convert to fraction form
    760,574.40/1,049,263.20 = 458,600.64/x
  3. Step 3: Cross multiply
    760,574.40x = 1,049,263.20 × 458,600.64
  4. Step 4: Simplify right side
    760,574.40x = 481,192,775,048.45
  5. Step 5: Solve for x
    x = 481,192,775,048.45/760,574.40
  6. Step 6: Final answer
    x = 632,670.22

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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.