Home / 657,666.80-918,634-657,666.80

Finding the Fourth Proportional to 657,666.80, 918,634 and 657,666.80

Calculator

Solution

The fourth proportional to 657,666.80, 918,634 and 657,666.80 is: 918,634

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,666.80 : 918,634 = 657,666.80 : x
  2. Step 2: Convert to fraction form
    657,666.80/918,634 = 657,666.80/x
  3. Step 3: Cross multiply
    657,666.80x = 918,634 × 657,666.80
  4. Step 4: Simplify right side
    657,666.80x = 604,155,083,151.20
  5. Step 5: Solve for x
    x = 604,155,083,151.20/657,666.80
  6. Step 6: Final answer
    x = 918,634

Related Problems

Find fourth proportional to 328,833.40, 459,317 and 328,833.40
Half scale
Find fourth proportional to 1,315,333.60, 1,837,268 and 1,315,333.60
Double scale
Find fourth proportional to 657,667.80, 918,635.40 and 657,667.80
Similar ratio
Find fourth proportional to 986,500.20, 1,377,951 and 986,500.20
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.