Home / 1,249,386.24-1,724,154-676,426.80

Finding the Fourth Proportional to 1,249,386.24, 1,724,154 and 676,426.80

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Solution

The fourth proportional to 1,249,386.24, 1,724,154 and 676,426.80 is: 933,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,386.24 : 1,724,154 = 676,426.80 : x
  2. Step 2: Convert to fraction form
    1,249,386.24/1,724,154 = 676,426.80/x
  3. Step 3: Cross multiply
    1,249,386.24x = 1,724,154 × 676,426.80
  4. Step 4: Simplify right side
    1,249,386.24x = 1,166,263,972,927.20
  5. Step 5: Solve for x
    x = 1,166,263,972,927.20/1,249,386.24
  6. Step 6: Final answer
    x = 933,469.52

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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.