Home / 708,356.66-977,905.98-569,025.72

Finding the Fourth Proportional to 708,356.66, 977,905.98 and 569,025.72

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Solution

The fourth proportional to 708,356.66, 977,905.98 and 569,025.72 is: 785,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,356.66 : 977,905.98 = 569,025.72 : x
  2. Step 2: Convert to fraction form
    708,356.66/977,905.98 = 569,025.72/x
  3. Step 3: Cross multiply
    708,356.66x = 977,905.98 × 569,025.72
  4. Step 4: Simplify right side
    708,356.66x = 556,453,654,361.81
  5. Step 5: Solve for x
    x = 556,453,654,361.81/708,356.66
  6. Step 6: Final answer
    x = 785,555.77

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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.