Home / 1,535,510.25-2,119,683.57-991,911.06

Finding the Fourth Proportional to 1,535,510.25, 2,119,683.57 and 991,911.06

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Solution

The fourth proportional to 1,535,510.25, 2,119,683.57 and 991,911.06 is: 1,369,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,510.25 : 2,119,683.57 = 991,911.06 : x
  2. Step 2: Convert to fraction form
    1,535,510.25/2,119,683.57 = 991,911.06/x
  3. Step 3: Cross multiply
    1,535,510.25x = 2,119,683.57 × 991,911.06
  4. Step 4: Simplify right side
    1,535,510.25x = 2,102,537,576,783.28
  5. Step 5: Solve for x
    x = 2,102,537,576,783.28/1,535,510.25
  6. Step 6: Final answer
    x = 1,369,276.16

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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.