Home / 760,587.72-1,049,623.48-416,417.88

Finding the Fourth Proportional to 760,587.72, 1,049,623.48 and 416,417.88

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Solution

The fourth proportional to 760,587.72, 1,049,623.48 and 416,417.88 is: 574,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,587.72 : 1,049,623.48 = 416,417.88 : x
  2. Step 2: Convert to fraction form
    760,587.72/1,049,623.48 = 416,417.88/x
  3. Step 3: Cross multiply
    760,587.72x = 1,049,623.48 × 416,417.88
  4. Step 4: Simplify right side
    760,587.72x = 437,081,984,339.82
  5. Step 5: Solve for x
    x = 437,081,984,339.82/760,587.72
  6. Step 6: Final answer
    x = 574,663.48

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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.