Home / 761,459.85-1,050,681.39-434,623.63

Finding the Fourth Proportional to 761,459.85, 1,050,681.39 and 434,623.63

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Solution

The fourth proportional to 761,459.85, 1,050,681.39 and 434,623.63 is: 599,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,459.85 : 1,050,681.39 = 434,623.63 : x
  2. Step 2: Convert to fraction form
    761,459.85/1,050,681.39 = 434,623.63/x
  3. Step 3: Cross multiply
    761,459.85x = 1,050,681.39 × 434,623.63
  4. Step 4: Simplify right side
    761,459.85x = 456,650,959,695.25
  5. Step 5: Solve for x
    x = 456,650,959,695.25/761,459.85
  6. Step 6: Final answer
    x = 599,704.58

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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.