Home / 963,455.51-1,329,710.12-555,477.50

Finding the Fourth Proportional to 963,455.51, 1,329,710.12 and 555,477.50

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Solution

The fourth proportional to 963,455.51, 1,329,710.12 and 555,477.50 is: 766,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,455.51 : 1,329,710.12 = 555,477.50 : x
  2. Step 2: Convert to fraction form
    963,455.51/1,329,710.12 = 555,477.50/x
  3. Step 3: Cross multiply
    963,455.51x = 1,329,710.12 × 555,477.50
  4. Step 4: Simplify right side
    963,455.51x = 738,624,051,457.17
  5. Step 5: Solve for x
    x = 738,624,051,457.17/963,455.51
  6. Step 6: Final answer
    x = 766,640.54

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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.