Home / 1,147,803-1,583,981.36-657,762.81

Finding the Fourth Proportional to 1,147,803, 1,583,981.36 and 657,762.81

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Solution

The fourth proportional to 1,147,803, 1,583,981.36 and 657,762.81 is: 907,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,803 : 1,583,981.36 = 657,762.81 : x
  2. Step 2: Convert to fraction form
    1,147,803/1,583,981.36 = 657,762.81/x
  3. Step 3: Cross multiply
    1,147,803x = 1,583,981.36 × 657,762.81
  4. Step 4: Simplify right side
    1,147,803x = 1,041,884,030,341.22
  5. Step 5: Solve for x
    x = 1,041,884,030,341.22/1,147,803
  6. Step 6: Final answer
    x = 907,720.25

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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.