Home / 760,145.43-1,048,929.24-514,630.74

Finding the Fourth Proportional to 760,145.43, 1,048,929.24 and 514,630.74

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Solution

The fourth proportional to 760,145.43, 1,048,929.24 and 514,630.74 is: 710,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,145.43 : 1,048,929.24 = 514,630.74 : x
  2. Step 2: Convert to fraction form
    760,145.43/1,048,929.24 = 514,630.74/x
  3. Step 3: Cross multiply
    760,145.43x = 1,048,929.24 × 514,630.74
  4. Step 4: Simplify right side
    760,145.43x = 539,811,230,988.84
  5. Step 5: Solve for x
    x = 539,811,230,988.84/760,145.43
  6. Step 6: Final answer
    x = 710,142.05

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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.