Home / 774,319.40-1,068,526.06-430,179.45

Finding the Fourth Proportional to 774,319.40, 1,068,526.06 and 430,179.45

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Solution

The fourth proportional to 774,319.40, 1,068,526.06 and 430,179.45 is: 593,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,319.40 : 1,068,526.06 = 430,179.45 : x
  2. Step 2: Convert to fraction form
    774,319.40/1,068,526.06 = 430,179.45/x
  3. Step 3: Cross multiply
    774,319.40x = 1,068,526.06 × 430,179.45
  4. Step 4: Simplify right side
    774,319.40x = 459,657,952,801.47
  5. Step 5: Solve for x
    x = 459,657,952,801.47/774,319.40
  6. Step 6: Final answer
    x = 593,628.36

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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.