Home / 953,030.21-1,315,300.16-545,075.47

Finding the Fourth Proportional to 953,030.21, 1,315,300.16 and 545,075.47

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Solution

The fourth proportional to 953,030.21, 1,315,300.16 and 545,075.47 is: 752,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,030.21 : 1,315,300.16 = 545,075.47 : x
  2. Step 2: Convert to fraction form
    953,030.21/1,315,300.16 = 545,075.47/x
  3. Step 3: Cross multiply
    953,030.21x = 1,315,300.16 × 545,075.47
  4. Step 4: Simplify right side
    953,030.21x = 716,937,852,903.08
  5. Step 5: Solve for x
    x = 716,937,852,903.08/953,030.21
  6. Step 6: Final answer
    x = 752,271.91

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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.