Home / 947,564.94-1,307,637.48-539,666.76

Finding the Fourth Proportional to 947,564.94, 1,307,637.48 and 539,666.76

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Solution

The fourth proportional to 947,564.94, 1,307,637.48 and 539,666.76 is: 744,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,564.94 : 1,307,637.48 = 539,666.76 : x
  2. Step 2: Convert to fraction form
    947,564.94/1,307,637.48 = 539,666.76/x
  3. Step 3: Cross multiply
    947,564.94x = 1,307,637.48 × 539,666.76
  4. Step 4: Simplify right side
    947,564.94x = 705,688,482,086.17
  5. Step 5: Solve for x
    x = 705,688,482,086.17/947,564.94
  6. Step 6: Final answer
    x = 744,738.91

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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.